Buffer overflow in Artifex Mujs
CVE-2022-44789
A logical issue in O_getOwnPropertyDescriptor() in Artifex MuJS 1.0.0 through 1.3.x before 1.3.2 allows an attacker to achieve Remote Code Execution through memory corruption, via the loading of a crafted JavaScript file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.025 · change: +0.002
Affected products
- Artifex Mujs
- Debian Linux — versions 11.0
- Fedoraproject Fedora — versions 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ccxvii/mujs/commit/edb50ad66f7601ca9a3544a0e9045e8a8c60561f (Patch, Third Party Advisory)
- github.com/alalng/CVE-2022-44789/blob/main/PublicReferenceURL.txt (Patch, Third Party Advisory)
- github.com/ccxvii/mujs/releases/tag/1.3.2 (Third Party Advisory, Release Notes)
- www.debian.org/security/2022/dsa-5291 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2022-44789?
- CVE-2022-44789 is a high-severity vulnerability in Artifex Mujs, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-11-23.
- How severe is CVE-2022-44789?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-44789 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.