Vulnerability · Published May 3, 2022 · Assigned by suse

CVE-2022-21949Multiple XXE vulnerabilities in OBS

High 8.8

In plain English

A high-severity XML external entity in Open Build Service from SUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.9%top 20.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A Improper Restriction of XML External Entity Reference vulnerability in SUSE Open Build Service allows remote attackers to reference external entities in certain operations. This can be used to gain information from the server that can be abused to escalate to Admin privileges on OBS. This issue affects: SUSE Open Build Service Open Build Service versions prior to 2.10.13.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	ruby-xmlhash	1.3.6-3.1	DEBIAN-CVE-2022-21949
Ubuntu:22.04:LTS	ruby-xmlhash	no fix listed	UBUNTU-CVE-2022-21949
Ubuntu:24.04:LTS	ruby-xmlhash	no fix listed	UBUNTU-CVE-2022-21949

Affected products (as reported)

Vendor	Product	Versions
SUSE	Open Build Service	Open Build Service – before 2.10.13

Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://bugzilla.suse.com/show_bug.cgi?id=1197928 x_refsource_CONFIRM