Vulnerability · Published Feb 1, 2022 · Assigned by GitHub_M

CVE-2022-23596Infinite loop in junrar

High 7.5

In plain English

A high-severity infinite loop in the com.github.junrar:junrar package (Maven). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)1.6%top 23.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Junrar is an open source java RAR archive library. In affected versions A carefully crafted RAR archive can trigger an infinite loop while extracting said archive. The impact depends solely on how the application uses the library, and whether files can be provided by malignant users. The problem is patched in 7.4.1. There are no known workarounds and users are advised to upgrade as soon as possible.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	com.github.junrar:junrar	7.4.1	GHSA-m6cj-93v6-cvr5

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

Weakness: CWE-835 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/junrar/junrar/security/advisories/GHSA-m6cj-93v6-cvr5 x_refsource_CONFIRM
https://github.com/junrar/junrar/issues/73 x_refsource_MISC
https://github.com/junrar/junrar/commit/7b16b3d90b91445fd6af0adfed22c07413d4fab7 x_refsource_MISC