#VU23562 Input validation error in Mozilla NSS - CVE-2019-11729
Published: December 12, 2019
Vulnerability identifier: #VU23562
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-11729
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla NSS
Mozilla NSS
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing an empty or malformed p256-ECDH public keys. A remote attacker can trigger a segmentation fault and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.
External links
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
- https://access.redhat.com/errata/RHSA-2019:1951
- https://bugzilla.mozilla.org/show_bug.cgi?id=1515342
- https://www.mozilla.org/security/advisories/mfsa2019-21/
- https://www.mozilla.org/security/advisories/mfsa2019-22/
- https://www.mozilla.org/security/advisories/mfsa2019-23/