Buffer overflow in Unzip Project
CVE-2022-0529
A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Unzip Project — versions 6.0
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35
- Red Hat Enterprise Linux — versions 8.0
- Unzip — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/ByteHackr/unzip_poc (Exploit, Third Party Advisory)
- www.debian.org/security/2022/dsa-5202 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00028.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202310-17 (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0529?
- CVE-2022-0529 is a medium-severity vulnerability in Unzip Project, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2022-02-09.
- How severe is CVE-2022-0529?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-0529 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.