CVE-2022-0529
MEDIUMCVSS 5.5/10EPSS 2.42%
Last modified
CVE-2022-0529 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 2.42% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Unzip Project | Unzip | 6.0 |
| Redhat | Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | 35 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2051395Issue Tracking, Third Party Advisory
- https://github.com/ByteHackr/unzip_pocExploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00028.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202310-17Third Party Advisory
- https://www.debian.org/security/2022/dsa-5202Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2051395Issue Tracking, Third Party Advisory
- https://github.com/ByteHackr/unzip_pocExploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00028.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202310-17Third Party Advisory
- https://www.debian.org/security/2022/dsa-5202Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-0529?
CVE-2022-0529 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 2.42% probability of exploitation in the next 30 days.
How do I fix CVE-2022-0529?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-0529?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST