CVE-2016-0755

HIGH

curl < 7.47.0 - Improper Authentication via NTLM Proxy Connection Reuse

Title source: llm

Description

The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015.

References (18)

Core 18

Core References

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html

Exploit, Third Party Advisory x_refsource_misc

http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html

Mailing List vendor-advisory x_refsource_apple

http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html

Vendor Advisory x_refsource_confirm

http://curl.haxx.se/docs/adv_20160127A.html

Vendor Advisory vendor-advisory x_refsource_slackware

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2016/dsa-3455

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html

Vendor Advisory x_refsource_confirm

http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/82307

Vendor Advisory x_refsource_confirm

https://support.apple.com/HT207170

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1034882

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html

Vendor Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-2882-1

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/201701-47

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html

Scores

CVSS v3 7.3

EPSS 0.0035

EPSS Percentile 57.3%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE

CWE-287

Status published

Products (6)

canonical/ubuntu_linux 12.04

canonical/ubuntu_linux 14.04

canonical/ubuntu_linux 15.04

canonical/ubuntu_linux 15.10

debian/debian_linux 7.0

haxx/curl < 7.46.0

Published Jan 29, 2016

Tracked Since Feb 18, 2026