SB2015012712 - Integer underflow in libksba (Alpine package)
Published: January 27, 2015
Security Bulletin ID
SB2015012712
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer underflow (CVE-ID: CVE-2014-9087)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Integer underflow in the ksba_oid_to_str function in Libksba before 1.3.2, as used in GnuPG, allows remote attackers to cause a denial of service (crash) via a crafted OID in a (1) S/MIME message or (2) ECC based OpenPGP data, which triggers a buffer overflow.
Remediation
Install update from vendor's website.