SB2011082502 - Buffer overflow in Stunnel
Published: August 25, 2011 Updated: August 11, 2020
Security Bulletin ID
SB2011082502
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2011-2940)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.
Remediation
Install update from vendor's website.
References
- http://secunia.com/advisories/45705
- http://securitytracker.com/id?1025959
- http://stunnel.org/?page=sdf_ChangeLog
- http://www.openwall.com/lists/oss-security/2011/08/19/18
- http://www.openwall.com/lists/oss-security/2011/08/19/6
- http://www.osvdb.org/74600
- http://www.securityfocus.com/bid/49254
- http://www.stunnel.org/pipermail/stunnel-announce/2011-August/000059.html
- https://bugzilla.redhat.com/show_bug.cgi?id=732068
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69318