SB2017032305 - Denial of service in GnuTLS
Published: March 23, 2017 Updated: August 2, 2017
Security Bulletin ID
SB2017032305
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) Denial of service (CVE-ID: CVE-2017-7869)
The vulnerability allows a remote unauthenticated attacker to cause Dos condition on the target system.The weakness exists due to improper memory processing in the opencdk/read-packet.c of the cdk_pkt_read function. A remote attacker can send a specially crafted OpenPGP certificate, trigger buffer overflow, integer overflow or NULL pointer dereference and cause the server application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.