10 results · Feed
-
Medium 4.4
c-ares out of bounds read in ares__read_line()
c-ares is a C library for asynchronous DNS requests. `ares__read_line()` is used to parse local configuration files such as `/etc/resolv.conf`, `/etc/nsswitch.conf`, the `HOSTALIASES` file, and if using a c-ares version prior to 1.27.0, the `/etc/hosts` file.…
-
High 7.3
Improper Domain Lookup that potentially leads to SSRF attacks in libuv
libuv is a multi-platform support library with a focus on asynchronous I/O. The `uv_getaddrinfo` function in `src/unix/getaddrinfo.c` (and its windows counterpart `src/win/getaddrinfo.c`), truncates hostnames to 256 characters before calling `getaddrinfo`. Th…
-
Critical 9.8
Gevent allows remote attacker to escalate privileges
An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.
-
Unscored —
Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_r…
-
High 7.5
0-byte UDP payload DoS in c-ares
c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously i…
-
Medium 5.9
Insufficient randomness in generation of DNS query IDs in c-ares
c-ares is an asynchronous resolver library. When /dev/urandom or RtlGenRandom() are unavailable, c-ares uses rand() to generate random numbers used for DNS query ids. This is not a CSPRNG, and it is also not seeded by srand() so will generate predictable outp…
-
Medium 4.1
Buffer Underwrite in ares_inet_net_pton()
c-ares is an asynchronous resolver library. ares_inet_net_pton() is vulnerable to a buffer underflow for certain ipv6 addresses, in particular "0::00:00:00/2" was found to cause an issue. C-ares only uses this function internally for configuration purposes wh…
-
High 8.6
A flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string,…
-
Unscored —CVE-2021-22931 EPSS 22%
Node.js before 16.6.0, 14.17.4, and 12.22.4 is vulnerable to Remote Code Execution, XSS, Application crashes due to mis…
-
Unscored —
A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denia…