Vulnerability CVE-2011-2192
Published: 2011-07-07   Modified: 2012-02-13

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.

Type:

CWE-255

 (Credentials Management)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
CURL -> CURL 
CURL -> Libcurl 

 References:
http://curl.haxx.se/curl-gssapi-delegation.patch
http://curl.haxx.se/docs/adv_20110623.html
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062287.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061992.html
http://secunia.com/advisories/48256
http://security.gentoo.org/glsa/glsa-201203-02.xml
http://support.apple.com/kb/HT5130
http://www.debian.org/security/2011/dsa-2271
http://www.mandriva.com/security/advisories?name=MDVSA-2011:116
http://www.redhat.com/support/errata/RHSA-2011-0918.html
http://www.securitytracker.com/id?1025713
http://www.ubuntu.com/usn/USN-1158-1
https://bugzilla.redhat.com/show_bug.cgi?id=711454
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