CVE-2018-5122 — Integer Overflow or Wraparound in Mozilla Firefox

CWE-190 — Integer Overflow or WraparoundCWE-787 — Out-of-bounds Write9 documents6 sources
Severity
9.8CRITICALNVD
EPSS
2.4%
top 14.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxDebian FirefoxCanonical Ubuntu Linux
Timeline
PublishedJun 11
Latest updateMay 13

Description

A potential integer overflow in the "DoCrypt" function of WebCrypto was identified. If a means was found of exploiting it, it could result in an out-of-bounds write. This vulnerability affects Firefox < 58.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/firefox< firefox 58.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 58
▶Ubuntumozilla/firefox< 58.0.2+build1-0ubuntu0.14.04.1+4
▶NVDmozilla/firefox57.0.4

Also affects: Ubuntu Linux 14.04, 16.04, 17.10

🔴Vulnerability Details

4
GHSA
GHSA-r55c-w846-xc87: A potential integer overflow in the "DoCrypt" function of WebCrypto was identified↗2022-05-13
▶
OSV
firefox regressions↗2018-02-12
▶
OSV
firefox vulnerabilities↗2018-01-24
▶
OSV
CVE-2018-5122: A potential integer overflow in the "DoCrypt" function of WebCrypto was identified↗2018-01-23
▶

📋Vendor Advisories

3
Ubuntu
Firefox regressions↗2018-02-12
▶
Ubuntu
Firefox vulnerabilities↗2018-01-24
▶
Debian
CVE-2018-5122: firefox - A potential integer overflow in the "DoCrypt" function of WebCrypto was identifi...↗2018
▶