Out-of-bounds Read in Mozilla Firefox
CVE-2017-5418
An out of bounds read error occurs when parsing some HTTP digest authorization responses, resulting in information leakage through the reading of random memory containing matches to specifically set patterns. This vulnerability affects Firefox < 52 and Thunderbird < 52.
Vulnerability class: Buffer Overflow
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:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (68.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Thunderbird — versions unspecified
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2017-09/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2017-05/ (Vendor Advisory)
- www.securitytracker.com/id/1037966 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/96692 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.mozilla.org/show_bug.cgi (Exploit, Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-5418?
- CVE-2017-5418 is a medium-severity vulnerability in Mozilla Firefox, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2018-06-11.
- How severe is CVE-2017-5418?
- Medium severity. CVSS v3 base score is 5.3 out of 10.