Vulnerability DatabaseCVE-2016-0755
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CVE-2016-0755
Published:January 29, 2016
Updated:May 17, 2026
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.
Related Resources (21)
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-0755
http://www.securitytracker.com/id/1034882
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html
http://curl.haxx.se/docs/adv_20160127A.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html
http://www.debian.org/security/2016/dsa-3455
https://support.apple.com/HT207170
http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965
https://access.redhat.com/security/cve/CVE-2016-0755
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html
https://security.gentoo.org/glsa/201701-47
http://www.ubuntu.com/usn/USN-2882-1
http://www.securityfocus.com/bid/82307
https://security-tracker.debian.org/tracker/CVE-2016-0755
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html
http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Authentication
CWE-287
EPSS
Base Score:
0.35