CVE-2016-0755
HIGH severity · CVSS 7.3 · Improper authentication
7.3CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)9%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://curl.haxx.se/docs/adv_20160127A.htmlAdvisory
- 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