Description
stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary code via a crafted request that triggers a buffer overflow.
Metrics
CVSS 2.0 6.6/10
AV:N/AC:H/Au:N/C:P/I:P/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://rhn.redhat.com/errata/RHSA-2013-0714.html
- http://www.debian.org/security/2013/dsa-2664
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:130
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0097
- https://www.stunnel.org/CVE-2013-1762.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2013-0714.html
- http://www.debian.org/security/2013/dsa-2664
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:130
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0097
- https://www.stunnel.org/CVE-2013-1762.htmlVendor Advisory
Timeline
- Published
- Mar 8, 2013
- Last modified
- Jun 16, 2026
- NVD status
- Modified