CVE-2016-0755 Information

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.

CVSS Vector

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

Reference

http://curl.haxx.se/docs/adv_20160127A.html http://curl.haxx.se/docs/adv_20160127A.html http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html http://www.debian.org/security/2016/dsa-3455 http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html http://www.securityfocus.com/bid/82307 http://www.securitytracker.com/id/1034882 http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965 http://www.ubuntu.com/usn/USN-2882-1 https://security.gentoo.org/glsa/201701-47 https://support.apple.com/HT207170 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. cpe:2.3:a:haxx:curl::::::::

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

7.3