Denial of service in Mozilla NSS
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-11729 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Mozilla NSS Universal components / Libraries / Libraries used by multiple products |
| Vendor | Mozilla |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU23562
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11729
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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.
Install updates from vendor's website.
Vulnerable software versionsMozilla NSS: 3.0.1 - 3.44.3
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
http://access.redhat.com/errata/RHSA-2019:1951
http://bugzilla.mozilla.org/show_bug.cgi?id=1515342
http://www.mozilla.org/security/advisories/mfsa2019-21/
http://www.mozilla.org/security/advisories/mfsa2019-22/
http://www.mozilla.org/security/advisories/mfsa2019-23/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
