Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | <= 7.46.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://curl.haxx.se/docs/adv_20160127A.htmlVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.h
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.h
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.h
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.ht
- 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-Upd
- 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=slack
FAQ
What is CVE-2016-0755?
CVE-2016-0755 is a vulnerability with a CVSS score of 7.3 (HIGH). 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...
How severe is CVE-2016-0755?
CVE-2016-0755 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-0755?
Check the references section above for vendor advisories and patch information. Affected products include: Haxx Curl, Canonical Ubuntu Linux, Debian Debian Linux.