SB2017040703 - Information disclosure in libxml2
Published: April 7, 2017
Security Bulletin ID
SB2017040703
CSH Severity
Low
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 vulnerability.
1) XXE attack (CVE-ID: CVE-2017-7375)
CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote unauthenticated attacker to perform XXE attack on the target system.
The weakness exists in the xmlParsePEReference function due to insufficient validation for external entities. A remote attacker can perform XXE attack and gain access to potentially sensitive information.
Remediation
Install update from vendor's website.