SB2021111712 - Debian update for libxml-security-java
Published: November 17, 2021
Security Bulletin ID
SB2021111712
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2021-40690)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an issue where the "secureValidation" property is not passed correctly when creating a KeyInfo from a KeyInfoReference element. A remote attacker can abuse an XPath Transform to extract any local .xml files in a RetrievalMethod element.
Remediation
Install update from vendor's website.