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CVE-2011-2192

Status Candidate

Overview

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.

Related Files

HP Security Bulletin HPSBMU02764 SSRT100827 2
Posted Apr 20, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU02764 SSRT100827 2 - Potential security vulnerabilities have been identified with HP System Management Homepage (SMH) running on Linux and Windows. The vulnerabilities could be exploited remotely and locally resulting in cross site request forgery (CSRF), Denial of Service (DoS), execution of arbitrary code, and other vulnerabilities. Revision 2 of this advisory.

tags | advisory, denial of service, arbitrary, vulnerability, csrf
systems | linux, windows
advisories | CVE-2009-0037, CVE-2010-0734, CVE-2010-1452, CVE-2010-1623, CVE-2010-2068, CVE-2010-2791, CVE-2010-3436, CVE-2010-4409, CVE-2010-4645, CVE-2011-0014, CVE-2011-0195, CVE-2011-0419, CVE-2011-1148, CVE-2011-1153, CVE-2011-1464, CVE-2011-1467, CVE-2011-1468, CVE-2011-1470, CVE-2011-1471, CVE-2011-1928, CVE-2011-1938, CVE-2011-1945, CVE-2011-2192, CVE-2011-2202, CVE-2011-2483, CVE-2011-3182, CVE-2011-3189, CVE-2011-3192
MD5 | aff846af673c7b44d692485afd250089
HP Security Bulletin HPSBMU02764 SSRT100827
Posted Apr 17, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU02764 SSRT100827 - Potential security vulnerabilities have been identified with HP System Management Homepage (SMH) running on Linux and Windows. The vulnerabilities could be exploited remotely and locally resulting in cross site request forgery (CSRF), Denial of Service (DoS), execution of arbitrary code, and other vulnerabilities. Revision 1 of this advisory.

tags | advisory, denial of service, arbitrary, vulnerability, csrf
systems | linux, windows
advisories | CVE-2009-0037, CVE-2010-0734, CVE-2010-1452, CVE-2010-1623, CVE-2010-2068, CVE-2010-2791, CVE-2010-3436, CVE-2010-4409, CVE-2010-4645, CVE-2011-0014, CVE-2011-0195, CVE-2011-0419, CVE-2011-1148, CVE-2011-1153, CVE-2011-1464, CVE-2011-1467, CVE-2011-1468, CVE-2011-1470, CVE-2011-1471, CVE-2011-1928, CVE-2011-1938, CVE-2011-1945, CVE-2011-2192, CVE-2011-2202, CVE-2011-2483, CVE-2011-3182, CVE-2011-3189, CVE-2011-3192
MD5 | 230e5876c2c2c77609e110526b8cc06b
Gentoo Linux Security Advisory 201203-02
Posted Mar 7, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201203-2 - Multiple vulnerabilities have been found in cURL, the worst of which might allow remote execution of arbitrary code. Versions less than 7.24.0 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2010-0734, CVE-2011-2192, CVE-2011-3389, CVE-2012-0036
MD5 | 8db893360d88524868c453346713a721
Apple Security Advisory 2012-02-01-1
Posted Feb 3, 2012
Authored by Apple | Site apple.com

Apple Security Advisory 2012-02-01-1 - Apple has addressed 48 security vulnerabilities. These issues existed in packages such as Address Book, Apache, CFNetwork, ColorSync, CoreAudio, CoreMedia, CoreText, curl and much more.

tags | advisory, vulnerability
systems | apple
advisories | CVE-2010-1637, CVE-2010-2813, CVE-2010-4554, CVE-2010-4555, CVE-2011-0200, CVE-2011-0241, CVE-2011-1148, CVE-2011-1167, CVE-2011-1657, CVE-2011-1752, CVE-2011-1783, CVE-2011-1921, CVE-2011-1938, CVE-2011-2023, CVE-2011-2192, CVE-2011-2202, CVE-2011-2204, CVE-2011-2483, CVE-2011-2895, CVE-2011-2937, CVE-2011-3182, CVE-2011-3189, CVE-2011-3246, CVE-2011-3248, CVE-2011-3249, CVE-2011-3250, CVE-2011-3252, CVE-2011-3256
MD5 | 8fe868bea54053b8adeccaecf10eb251
Mandriva Linux Security Advisory 2011-116
Posted Jul 22, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-116 - 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.

tags | advisory, remote
systems | linux, mandriva
advisories | CVE-2011-2192
MD5 | c6bfdf9a5b8835bcb3b7746cd1a0bfc6
Red Hat Security Advisory 2011-0918-01
Posted Jul 5, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-0918-01 - cURL provides the libcurl library and a command line tool for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. It was found that cURL always performed credential delegation when authenticating with GSSAPI. A rogue server could use this flaw to obtain the client's credentials and impersonate that client to other servers that are using GSSAPI. Users of curl should upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications using libcurl must be restarted for the update to take effect. Various other issues were also addressed.

tags | advisory, web, protocol
systems | linux, redhat
advisories | CVE-2011-2192
MD5 | b89c4896430d9a6b02a256d23881edd8
Debian Security Advisory 2271-1
Posted Jul 2, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2271-1 - Richard Silverman discovered that when doing GSSAPI authentication, libcurl unconditionally performs credential delegation. This hands the server a copy of the client's security credentials, allowing the server to impersonate the client to any other using the same GSSAPI mechanism. This is obviously a very sensitive operation, which should only be done when the user explicitly so directs.

tags | advisory
systems | linux, debian
advisories | CVE-2011-2192
MD5 | 3f8adcf49ffdda88a7e0ec7e17613724
Ubuntu Security Notice USN-1158-1
Posted Jun 24, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1158-1 - Richard Silverman discovered that when doing GSSAPI authentication, libcurl unconditionally performs credential delegation, handing the server a copy of the client's security credential. Wesley Miaw discovered that when zlib is enabled, libcurl does not properly restrict the amount of callback data sent to an application that requests automatic decompression. This might allow an attacker to cause a denial of service via an application crash or possibly execute arbitrary code with the privilege of the application. This issue only affected Ubuntu 8.04 LTS and Ubuntu 10.04 LTS. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2009-2417, CVE-2010-0734, CVE-2011-2192
MD5 | bbe2f78c418f37d6dc86e3b3b5b1edde
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