cURL/libcURL GSS/Negotiate Feature Spoofing

High Nessus Network Monitor Plugin ID 6904


The cURL program is a library and command-line tool for transferring data using various protocols, including HTTP, FTP, and LDAP. A vulnerable version of cURL was detected from the host.


It was reported that the application always performs credential delegation when authenticating with GSSAPI. A rouge server could use this flaw to obtain the client's credentials and impersonate that client to other servers that are using GSSAPI. (CVE-2011-2192)

Affected versions include versions 7.10.6 through 7.21.6.


Upgrade the affected packages; the next version of cURL that fixes the issue is cURL 7.21.7.

See Also

Plugin Details

Severity: High

ID: 6904

File Name: 6904.prm

Family: Web Clients

Published: 2013/07/03

Modified: 2016/12/10

Dependencies: 1735, 8314

Nessus ID: 55515

Risk Information

Risk Factor: High


Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C


Base Score: 7.3

Temporal Score: 6.4


Temporal Vector: CVSS3#E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 2012/06/24

Vulnerability Publication Date: 2012/06/24

Reference Information

CVE: CVE-2011-2192

BID: 48434

IAVA: 2012-A-0020