Vulnerability · Published Sep 5, 2022 · Assigned by Google

CVE-2022-38749DoS in SnakeYAML

Medium 6.5

In plain English

A medium-severity stack buffer overflow in SnakeYAML from snakeyaml. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)2.2%top 17.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	snakeyaml	1.31-1	DEBIAN-CVE-2022-38749
Debian:13	snakeyaml	1.31-1	DEBIAN-CVE-2022-38749
Debian:14	snakeyaml	1.31-1	DEBIAN-CVE-2022-38749
Maven	be.cylab:snakeyaml	no fix listed	GHSA-c4r9-r8fh-9vj2
Maven	com.alipay.sofa.acts:acts-common-util	no fix listed	GHSA-c4r9-r8fh-9vj2
Maven	io.prometheus.jmx:jmx_prometheus_httpserver	no fix listed	GHSA-c4r9-r8fh-9vj2
Maven	io.prometheus.jmx:jmx_prometheus_httpserver_java6	no fix listed	GHSA-c4r9-r8fh-9vj2
Maven	org.testifyproject.external:external-snakeyaml	no fix listed	GHSA-c4r9-r8fh-9vj2
Maven	org.yaml:snakeyaml	1.31	GHSA-c4r9-r8fh-9vj2
Maven	pl.droidsonroids.yaml:snakeyaml	no fix listed	GHSA-c4r9-r8fh-9vj2
Ubuntu:22.04:LTS	snakeyaml	1.29-1ubuntu0.22.04.1	UBUNTU-CVE-2022-38749
Ubuntu:22.04:LTS	snakeyaml	1.29-1ubuntu0.22.04.1	USN-5944-1

Affected products (as reported)

Vendor	Product	Versions
snakeyaml	SnakeYAML	unspecified – before 1.31

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

In plain English

Official description

Affected packages & fixed versions

Affected products (as reported)

References