MEDIUM
curl: Improper delegation of client credentials during GSS negotiation
Published Jul 7, 2011
4.3
MEDIUMCVSS 2.0
EPSS 2.88%
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.
Affected products
No data.
Configuration 3
OR
- 14
- 15
Configuration 4
OR
- 5.0
- 6.0
- 7.0
Configuration 5
OR
- 8.04
- 10.04
- 10.10
- 11.04
No data.
Red Hat Enterprise Linux 4
curl-0:7.12.1-17.el4
Fixed · RHSA-2011:0918
Red Hat Enterprise Linux 5
curl-0:7.15.5-9.el5_6.3
Fixed · RHSA-2011:0918
Red Hat Enterprise Linux 6
curl-0:7.19.7-26.el6_1.1
Fixed · RHSA-2011:0918
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | curl-0:7.12.1-17.el4 | Fixed | RHSA-2011:0918 |
| Red Hat Enterprise Linux 5 | curl-0:7.15.5-9.el5_6.3 | Fixed | RHSA-2011:0918 |
| Red Hat Enterprise Linux 6 | curl-0:7.19.7-26.el6_1.1 | Fixed | RHSA-2011:0918 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.88% 0.02877
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02877
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.88% (0.02877) | 86.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.99% (0.02994) | 85.55th | v5 (v2026.06.15) |
| Oct 22, 2025 | 1.29% (0.01286) | 78.92th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.45% (0.02449) | 75.29th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.84% (0.00842) | 73.12th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.23% (0.00228) | 61.93th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.23% (0.00228) | 61.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00228) | 59.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (22)
- http://curl.haxx.se/curl-gssapi-delegation.patch x_refsource_CONFIRMBroken Link
- http://curl.haxx.se/docs/adv_20110623.html x_refsource_CONFIRMVendor Advisory
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062287.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061992.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://secunia.com/advisories/45047 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/45067 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/45088 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/45144 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/45181 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/48256 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://security.gentoo.org/glsa/glsa-201203-02.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://support.apple.com/kb/HT5130 x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2011/dsa-2271 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:116 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0918.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securitytracker.com/id?1025713 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1158-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2011-2192 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=711454 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-2192
- https://www.cve.org/CVERecord?id=CVE-2011-2192
| Link | Providers | Tags |
|---|---|---|
| http://curl.haxx.se/curl-gssapi-delegation.patch | x_refsource_CONFIRMBroken Link | |
| http://curl.haxx.se/docs/adv_20110623.html | x_refsource_CONFIRMVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html | vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062287.html | vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061992.html | vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory | |
| http://secunia.com/advisories/45047 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/45067 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/45088 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/45144 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/45181 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/48256 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://security.gentoo.org/glsa/glsa-201203-02.xml | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| http://support.apple.com/kb/HT5130 | x_refsource_CONFIRMThird Party Advisory | |
| http://www.debian.org/security/2011/dsa-2271 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2011:116 | vendor-advisoryx_refsource_MANDRIVAThird Party Advisory | |
| http://www.redhat.com/support/errata/RHSA-2011-0918.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://www.securitytracker.com/id?1025713 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://www.ubuntu.com/usn/USN-1158-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2011-2192 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=711454 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-2192 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-2192 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jul 7, 2011
Updated Aug 6, 2024
Reserved May 31, 2011
Link CVE-2011-2192
CISA Vulnrichment
Updated n/a