Summary
Henry Corrigan-Gibbs discovered that NSS incorrectly handled importing
certain curve25519 private keys. An attacker could use this issue to cause
NSS to crash, resulting in a denial of service, or possibly obtain
sensitive information. (CVE-2019-11719)
Hubert Kario discovered that NSS incorrectly handled PKCS#1 v1.5 signatures
when using TLSv1.3. An attacker could possibly use this issue to trick NSS
into using PKCS#1 v1.5 signatures, contrary to expectations. This issue
only applied to Ubuntu 19.04. (CVE-2019-11727)
Jonas Allmann discovered that NSS incorrectly handled certain p256-ECDH
public keys. An attacker could possibly use this issue to cause NSS to
crash, resulting in a denial of service. (CVE-2019-11729)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 16.04 LTS 16.04:LTS | nss | 2:3.28.4-0ubuntu0.16.04.6 |
| Ubuntu · 18.04 LTS 18.04:LTS | nss | 2:3.35-2ubuntu2.3 |
Vulnerabilities 3
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Unscored —
When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bo…
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Unscored —
A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1…
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Unscored —
Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before …