Vulnerability in Mozilla Firefox
CVE-2017-5462
A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox ESR 52.1 has been updated with NSS version 3.28.4. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.026 (85.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified, 52.0
- Mozilla Firefox Esr — versions unspecified
- Mozilla Network Security Services
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201705-04 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2017-12/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2017-11/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2017-10/ (Vendor Advisory)
- www.securityfocus.com/bid/97940 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-3831 (vendor-advisory, Third Party Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2017-13/ (Vendor Advisory)
- www.securitytracker.com/id/1038320 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-3872 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5462?
- CVE-2017-5462 is a medium-severity vulnerability in Mozilla Firefox, classified under Incorrect Calculation. CVSS score: 5.3/10. Published 2018-06-11.
- How severe is CVE-2017-5462?
- Medium severity. CVSS v3 base score is 5.3 out of 10.