120 results · Feed
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Medium 5.9
Apache Traffic Server: Nullptr dereference in net_write_io on a POST half-close with chunked response
Apache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dependent race introduced by the CVE-2021-…
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Medium 5.3
Apache Traffic Server: Dropping chunked trailers stalls a passthrough transfer until timeout
Apache Traffic Server can stall a chunked transfer that it passes through with its trailers removed (proxy.config.http.drop_chunked_trailers) until the connection times out, because it waits for the trailer bytes it has already dropped. Trailer dropping is on…
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Critical 10.0
Apache Traffic Server: origin_server_auth signs client-controlled AWS headers under the proxy's IAM credentials
Apache Traffic Server's origin_server_auth plugin lets a client force signing of attacker-chosen AWS request headers under the proxy's own credentials. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0…
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Critical 9.0
Apache Traffic Server: tsmemcache plugin exposes the shared proxy cache over the network with no authentication
Apache Traffic Server's experimental tsmemcache plugin allows unauthenticated network read, write, and deletion of the shared proxy cache. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1…
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Critical 9.3
Apache Traffic Server: HEAD requests carrying Content-Length or Transfer-Encoding enable request smuggling
Apache Traffic Server allows request smuggling via HEAD requests that carry Content-Length or Transfer-Encoding. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users are reco…
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High 7.5
Apache Traffic Server: Unthrottled per-header diagnostic logging enables a log-flood denial of service
Apache Traffic Server 9.2.15, 10.1.4 and 10.2.0 write one unthrottled diagnostic log line for every internal @ header they strip, so a request carrying many such headers makes the proxy write far more log data than the request contains. This issue affects Apa…
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Critical 10.0
Apache Traffic Server: TLS session ticket resumption bypasses per-SNI verify_client STRICT enforcement
Apache Traffic Server can resume a TLS session across SNI virtual hosts without re-verifying a client certificate required by the resumed host's verify_client STRICT policy. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 throu…
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Critical 10.0
Apache Traffic Server: Default server_session_sharing.match omits MASK_CERT, allowing pooled mTLS identity confusion at the origin
Apache Traffic Server's default outbound session-sharing policy can reuse a pooled TLS session authenticated with one client certificate for a transaction configured to present a different one. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.…
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High 8.6
Apache Traffic Server: HTTP/2 DATA frame padding underflow lets a client trigger backend worker-pool exhaustion
Apache Traffic Server can be used to exhaust an HTTP/1.1 origin's worker pool via a malformed padded HTTP/2 DATA frame. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users a…
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High 8.6
Apache Traffic Server: HTTP/2 Content-Length truncation lets a client trigger backend worker-pool exhaustion
Apache Traffic Server can be used to exhaust an HTTP/1.1 origin's worker pool via a truncated HTTP/2 Content-Length value. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. User…
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Critical 9.3
Apache Traffic Server: A malformed 302 response bypasses parse-error rejection through the Transfer-Encoding: chunked carve-out
Apache Traffic Server forwarded a malformed 302 response that should have been rejected as a parse error, because the Transfer-Encoding: chunked carve-out bypassed the rejection path. A response that two peers can read differently is then stored and served, a…
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High 8.7
Apache Traffic Server: An unread Expect: 100-continue request body is framed as a new request
When a client sends a POST with Expect: 100-continue and the origin answers before reading the body, Apache Traffic Server parses the unread body left on the client connection as the next request. An attacker behind a front-end proxy that shares connections t…
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High 8.9
Apache Traffic Server: Origin connection still owed a request body is reused, enabling request smuggling
Apache Traffic Server can return an origin connection to the shared pool while the origin is still waiting on a request body the client declared but never fully sent, including when the client used Expect: 100-continue. The origin then reads a later request o…
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High 8.2
Apache Traffic Server: wasm plugin has a use-after-free and forwards unvalidated guest metric IDs
Apache Traffic Server's experimental wasm plugin has a use-after-free in its transaction-close handler and forwards unvalidated guest-supplied metric IDs to the internal stats API. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.4, 10.2.0. …
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Critical 10.0
Apache Traffic Server: magick plugin passes client query strings unfiltered to ImageMagick convert in the default configuration
Apache Traffic Server's experimental magick plugin lets an unauthenticated client control ImageMagick convert arguments in its default (unsigned) configuration. This issue affects Apache Traffic Server: from 8.0.1 through 8.1.11, from 9.0.0 through 9.2.15, fr…
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Critical 9.3
Apache Traffic Server: SNI to Host header matching policy is not properly enforced
Improper Access Control vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fixes the issue. This CVE supe…
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Medium 4.8
Apache Traffic Server: HPACK encoder desynchronizes from the decoder after a failed header encode
Apache Traffic Server updates the HTTP/2 HPACK dynamic table before confirming the header block encoded successfully, so an encode failure leaves the encoder out of sync with the peer decoder and corrupts subsequent header blocks on the connection. This issue…
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High 7.5
Apache Traffic Server: Plugins resetting the redirect counter enable SSRF amplification
Apache Traffic Server allows redirect-limit bypass when plugins reset the retry counter, enabling SSRF amplification. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recomme…
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High 8.2
Apache Traffic Server: Memory-safety and limit-bypass errors across experimental plugins
Several Apache Traffic Server experimental plugins have memory-safety and limit-bypass errors. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to vers…
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Low 3.7
Apache Traffic Server: Multiplexer plugin chunk decoder enables a denial of service
The Apache Traffic Server multiplexer plugin overruns its chunk-decode buffer on upstream input, enabling denial of service. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are …
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High 7.5
Apache Traffic Server: webp_transform plugin decodes unsafely and mislabels degraded responses
The Apache Traffic Server webp_transform plugin can decode unsafely and serve mislabeled, cacheable responses. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to…
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Medium 5.9
Apache Traffic Server: Use-after-free in the intercept plugin
The Apache Traffic Server intercept plugin has a use-after-free. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fi…
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High 8.2
Apache Traffic Server: header_rewrite plugin cookie handling can corrupt memory
The Apache Traffic Server header_rewrite plugin can crash or corrupt memory during cookie operations and CIDR condition matching. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users…
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Medium 5.9
Apache Traffic Server: prefetch plugin can crash on attacker-influenced input
The Apache Traffic Server prefetch plugin can crash when processing attacker-influenced input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to vers…
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High 8.6
Apache Traffic Server: ts_lua plugin has initialization and resource-handling errors
The Apache Traffic Server ts_lua plugin mishandles initialization, transform context, and per-instance state. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to …
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High 7.5
Apache Traffic Server: uri_signing and url_sig plugins can exhaust the stack or crash
The Apache Traffic Server uri_signing and url_sig plugins can exhaust the stack or crash on attacker input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to up…
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High 7.5
Apache Traffic Server: txn_box plugin overflows the stack from attacker input
The Apache Traffic Server txn_box plugin overflows the stack from attacker-controlled input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to versio…
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High 8.1
Apache Traffic Server: regex_remap plugin overflows the stack from attacker input
The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade…
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High 7.5
Apache Traffic Server: ESI plugin allows uncontrolled recursion and server-side request forgery
The Apache Traffic Server ESI plugin can recurse without bound and fetch attacker-controlled URLs. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to …
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High 7.5
Apache Traffic Server: HostDB SRV handling leaks memory
Apache Traffic Server leaks memory when handling HostDB SRV records. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, whic…
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High 7.5
Apache Traffic Server: Remap configuration lifetime and TOCTOU errors cause use-after-free
Apache Traffic Server has use-after-free and time-of-check/time-of-use errors in remap configuration handling. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to…
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High 7.5
Apache Traffic Server: Cache deserialization and lifetime errors can corrupt state or crash the server
Apache Traffic Server mishandles on-disk cache fields and object lifetimes, corrupting state or crashing. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgr…
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Critical 10.0
Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates
The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upg…
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High 7.5
Apache Traffic Server: Memory-safety errors in TLS and SNI handling can crash the server
Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrad…
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Medium 6.5
Apache Traffic Server: Out-of-bounds reads while parsing DNS responses
Apache Traffic Server reads out of bounds while parsing DNS answers. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, whic…
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High 8.2
Apache Traffic Server: Listener and ACL handling allow access-control bypass
Apache Traffic Server can bypass IP access controls on UDS listeners and through ACL matching errors. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade …
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Medium 5.9
Apache Traffic Server: PROXY protocol parsing has port truncation and a stack overflow
Apache Traffic Server mishandles PROXY protocol input, truncating ports and overflowing the stack. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to …
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High 8.7
Apache Traffic Server: Improper server-session reuse can expose data across client connections
Apache Traffic Server can reuse server sessions and tunnels improperly, exposing data across client connections. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended …
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Medium 4.9
Apache Traffic Server: URL and port parsing errors allow access-control bypass
Apache Traffic Server mis-parses ports in URLs and userinfo, allowing port-based access-control bypass. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrad…
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Critical 9.3
Apache Traffic Server: Header-name length truncation enables header aliasing and request smuggling
Apache Traffic Server truncates over-long header names, allowing header aliasing, request smuggling, and policy bypass. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recom…