SB2003120101 - Improper input validation in OpenSSL
Published: December 1, 2003 Updated: November 22, 2018
Security Bulletin ID
SB2003120101
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2003-0851)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause OpenSSL to crash.
The vulnerability exists due to a large recursion that cannot be handled correctly. A remote unauthenticated attacker can cause OpenSSL to crash by sending arbitrary ASN.1 sequences.
Successful exploitation of this vulnerability may result in a denial of service.
Remediation
Install update from vendor's website.