SB2013032703 - NULL pointer dereference in libssh (Alpine package)
Published: March 27, 2013
Security Bulletin ID
SB2013032703
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2013-0176)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a "Client: Diffie-Hellman Key Exchange Init" packet.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=988d82364e647774ac0ba09cb5fc50958e552df9
- https://git.alpinelinux.org/aports/commit/?id=77048a363d89d6777bf41253509722ae8b37432f
- https://git.alpinelinux.org/aports/commit/?id=8ef246aff2cda16d420dad63c46d4b32a139dda4
- https://git.alpinelinux.org/aports/commit/?id=d522912124a1e5f289fbddf90515800f678e6061
- https://git.alpinelinux.org/aports/commit/?id=dd8b41c3edc9855feea20ac61f73136fa6c980aa