curl: re-use of wrong HTTP NTLM connection in libcurl
Published Feb 2, 2014
4.0
MEDIUMCVSS 2.0
EPSS 5.60%
Description
cURL and libcurl 7.10.6 through 7.34.0, when more than one authentication method is enabled, re-uses NTLM connections, which might allow context-dependent attackers to authenticate as other users via a request.
Affected products
No data.
Configuration 1
- 7.10.6
- 7.10.7
- 7.10.8
- 7.11.0
- 7.11.1
- 7.11.2
- 7.12.0
- 7.12.1
- 7.12.2
- 7.12.3
- 7.13.0
- 7.13.1
- 7.13.2
- 7.14.0
- 7.14.1
- 7.15.0
- 7.15.1
- 7.15.2
- 7.15.3
- 7.15.4
- 7.15.5
- 7.16.0
- 7.16.1
- 7.16.2
- 7.16.3
- 7.16.4
- 7.17.0
- 7.17.1
- 7.18.0
- 7.18.1
- 7.18.2
- 7.19.0
- 7.19.1
- 7.19.2
- 7.19.3
- 7.19.4
- 7.19.5
- 7.19.6
- 7.19.7
- 7.20.0
- 7.20.1
- 7.21.0
- 7.21.1
- 7.21.2
- 7.21.3
- 7.21.4
- 7.21.5
- 7.21.6
- 7.21.7
- 7.22.0
- 7.23.0
- 7.23.1
- 7.24.0
- 7.25.0
- 7.26.0
- 7.27.0
- 7.28.0
- 7.28.1
- 7.29.0
- 7.30.0
- 7.31.0
- 7.32.0
- 7.33.0
- 7.34.0
Configuration 2
- 7.10.6
- 7.10.7
- 7.10.8
- 7.11.0
- 7.11.1
- 7.11.2
- 7.12.0
- 7.12.1
- 7.12.2
- 7.12.3
- 7.13.0
- 7.13.1
- 7.13.2
- 7.14.0
- 7.14.1
- 7.15.0
- 7.15.1
- 7.15.2
- 7.15.3
- 7.15.4
- 7.15.5
- 7.16.0
- 7.16.1
- 7.16.2
- 7.16.3
- 7.16.4
- 7.17.0
- 7.17.1
- 7.18.0
- 7.18.1
- 7.18.2
- 7.19.0
- 7.19.1
- 7.19.2
- 7.19.3
- 7.19.4
- 7.19.5
- 7.19.6
- 7.19.7
- 7.20.0
- 7.20.1
- 7.21.0
- 7.21.1
- 7.21.2
- 7.21.3
- 7.21.4
- 7.21.5
- 7.21.6
- 7.21.7
- 7.22.0
- 7.23.0
- 7.23.1
- 7.24.0
- 7.25.0
- 7.26.0
- 7.27.0
- 7.28.0
- 7.28.1
- 7.29.0
- 7.30.0
- 7.31.0
- 7.32.0
- 7.33.0
- 7.34.0
No data.
Red Hat Enterprise Linux 6
curl-0:7.19.7-37.el6_5.3
Fixed · RHSA-2014:0561
Red Hat Enterprise Linux 5
curl
Will not fix
Red Hat Enterprise Linux 7
curl
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | curl-0:7.19.7-37.el6_5.3 | Fixed | RHSA-2014:0561 |
| Red Hat Enterprise Linux 5 | curl | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | curl | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the version of curl as shipped with Red Hat Enterprise Linux 5 and 7. The Red Hat Security Response Team has rated this issue as having Moderate security impact, a future update may address this flaw.
Red Hat mitigation
Avoid using HTTP NTLM in your application. If you must use NTLM authentication, ensure that it is the only requested authentication method (use --ntlm specifically, do not use --anyauth or other authentication methods).
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.
AV:N/AC:H/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.60% (0.05599) | 92.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.60% (0.05599) | 91.89th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.73% (0.01731) | 81.21th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.75% (0.00752) | 81.69th | v3 (v2023.03.01) |
| Apr 17, 2024 | 0.75% (0.00752) | 80.75th | v3 (v2023.03.01) |
| Sep 14, 2023 | 0.75% (0.00752) | 78.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.73% (0.00730) | 77.75th | 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) |
References (30)
- http://archives.neohapsis.com/archives/bugtraq/2014-06/0172.html vendor-advisoryx_refsource_APPLE
- http://curl.haxx.se/docs/adv_20140129.html x_refsource_CONFIRMPatchVendor Advisory
- http://curl.haxx.se/docs/security.html#20140129
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10743 x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127627.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/128408.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00066.html vendor-advisoryx_refsource_SUSE
- http://seclists.org/fulldisclosure/2014/Dec/23 mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/56728 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/56731 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/56734 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/56912 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59458 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59475 third-party-advisoryx_refsource_SECUNIA
- http://support.apple.com/kb/HT6296 x_refsource_CONFIRM
- http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095862 x_refsource_CONFIRM
- http://www.debian.org/security/2014/dsa-2849 vendor-advisoryx_refsource_DEBIAN
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html x_refsource_CONFIRM
- http://www.securityfocus.com/archive/1/534161/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/65270 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1029710 vdb-entryx_refsource_SECTRACK
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.502652 vendor-advisoryx_refsource_SLACKWARE
- http://www.ubuntu.com/usn/USN-2097-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2014-0015 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1053903 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-0015
- https://www.cve.org/CVERecord?id=CVE-2014-0015
Change history (0)
No recorded changes yet.