CVE-2022-22747 — Improper Certificate Validation in Mozilla Firefox

CWE-295 — Improper Certificate ValidationCWE-476 — NULL Pointer Dereference17 documents8 sources
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.1%
top 67.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird+1 more
Timeline
PublishedDec 22
Latest updateFeb 15

Description

After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages10 packages

▶CVEListV5mozilla/firefoxunspecified — 96
▶NVDmozilla/firefox< 96.0
▶CVEListV5mozilla/firefox_esrunspecified — 91.5
▶CVEListV5mozilla/thunderbirdunspecified — 91.5

🔴Vulnerability Details

6
OSV
nss vulnerabilities↗2023-02-15
▶
CVEList
CVE-2022-22747: After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash↗2022-12-22
▶
OSV
CVE-2022-22747: After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash↗2022-12-22
▶
GHSA
GHSA-7h6j-6653-fx8c: After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash↗2022-12-22
▶
OSV
nss vulnerabilities↗2022-07-07
▶

📋Vendor Advisories

10
Ubuntu
NSS vulnerabilities↗2023-02-15
▶
Ubuntu
NSS vulnerabilities↗2022-07-07
▶
Ubuntu
Thunderbird vulnerabilities↗2022-01-21
▶
Ubuntu
Thunderbird vulnerabilities↗2022-01-21
▶
Ubuntu
Firefox vulnerabilities↗2022-01-13
▶
CVE-2022-22747 — Improper Certificate Validation | cvebase