Credentials management in cURL - CVE-2011-2192

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Main Vulnerability Database Vulnerabilities #VU32858

Credentials management in cURL - CVE-2011-2192

Published: July 8, 2011 / Updated: July 28, 2020


Vulnerability identifier: #VU32858
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-2192
CWE-ID: CWE-255
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

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.


Affected software

cURL
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server for ARM
curl (Alpine package)
git (Red Hat package)

How to mitigate CVE-2011-2192

Install update from vendor's website.

cURL - update to 7.21.7
curl (Alpine package) - update to 7.21.7-r0
git (Red Hat package) - update to 1.8.3.1-11.el7

External References

Related Security Bulletins