CVE-2011-2192

Name: CVE-2011-2192
Creator: NVD / NIST
Published: 2011-07-07T21:55:02.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.99%

Last modified Jun 16, 2026

CVE-2011-2192 is a vulnerability of currently unknown severity. The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other products, always performs credential delegation during GSSAPI authentication, which allows remote servers to impersonate clients via GSSAPI requests.. EPSS estimates a 2.99% chance of exploitation in the next 30 days.

Description

The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other products, always performs credential delegation during GSSAPI authentication, which allows remote servers to impersonate clients via GSSAPI requests.

Metrics

EPSS Probability

2.99%

85.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-255

Affected Software

Vendor	Product	Versions
Haxx	Libcurl	>= 7.10.6, <= 7.21.6
Apple	Mac Os X	< 10.7.3
Fedoraproject	Fedora	14
Fedoraproject	Fedora	15
Debian	Debian Linux	5.0
Debian	Debian Linux	6.0
Debian	Debian Linux	7.0
Canonical	Ubuntu Linux	8.04
Canonical	Ubuntu Linux	10.04
Canonical	Ubuntu Linux	10.10
Canonical	Ubuntu Linux	11.04

References

http://curl.haxx.se/curl-gssapi-delegation.patchBroken Link
http://curl.haxx.se/docs/adv_20110623.htmlVendor Advisory
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062287.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061992.htmlMailing List, Third Party Advisory
http://secunia.com/advisories/45047Third Party Advisory
http://secunia.com/advisories/45067Third Party Advisory
http://secunia.com/advisories/45088Third Party Advisory
http://secunia.com/advisories/45144Third Party Advisory
http://secunia.com/advisories/45181Third Party Advisory
http://secunia.com/advisories/48256Third Party Advisory
http://security.gentoo.org/glsa/glsa-201203-02.xmlThird Party Advisory
http://support.apple.com/kb/HT5130Third Party Advisory
http://www.debian.org/security/2011/dsa-2271Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:116Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0918.htmlThird Party Advisory
http://www.securitytracker.com/id?1025713Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-1158-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=711454Issue Tracking, Third Party Advisory
http://curl.haxx.se/curl-gssapi-delegation.patchBroken Link
http://curl.haxx.se/docs/adv_20110623.htmlVendor Advisory
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062287.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061992.htmlMailing List, Third Party Advisory
http://secunia.com/advisories/45047Third Party Advisory
http://secunia.com/advisories/45067Third Party Advisory
http://secunia.com/advisories/45088Third Party Advisory
http://secunia.com/advisories/45144Third Party Advisory
http://secunia.com/advisories/45181Third Party Advisory
http://secunia.com/advisories/48256Third Party Advisory
http://security.gentoo.org/glsa/glsa-201203-02.xmlThird Party Advisory
http://support.apple.com/kb/HT5130Third Party Advisory
http://www.debian.org/security/2011/dsa-2271Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:116Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0918.htmlThird Party Advisory
http://www.securitytracker.com/id?1025713Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-1158-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=711454Issue Tracking, Third Party Advisory

Timeline

Published: Jul 7, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-2192?

How severe is CVE-2011-2192?

Severity scoring for CVE-2011-2192 is pending analysis. The EPSS model estimates a 2.99% probability of exploitation in the next 30 days.

How do I fix CVE-2011-2192?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-2192?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST