CVE-2011-2192

Home/CVE/The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other produc

CVE

The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other produc

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.

MEDIUM · CVSS 4.3 EPSS 0.02049

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules1 YARA rules0

▤

Affected Products & Versions

haxx libcurl>= 7.10.6 and <= 7.21.6
apple mac os x< 10.7.3
fedoraproject fedoraall versions
debian linuxall versions
canonical ubuntu linuxall versions

◈

Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productmediumPotential DLL Sideloading Of Libcurl.DLL Via GUP.EXE

▣

Scoring & Timeline

4.3

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Published to NVD07 Jul 2011 · 09:55 PM

⚑

Vendor Advisories

usnUSN-1158-1

rhsaRHSA-2011:0918Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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 ListThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062287.htmlMailing ListThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061992.htmlMailing ListThird Party Advisory

http://secunia.com/advisories/45047Third Party Advisory

Show all 19 references

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 AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-1158-1Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=711454Issue TrackingThird Party Advisory

Intelligence Graph · click any node to traverse

CVETechnique ActorTool Family

drag to reposition · click any node to traverse · button top-right enlarges

External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service

threatengine.sh · Open-source threat intelligence platform · 100+ authoritative sources · Every fact traces to its origin