Auth bypass in Haxx Libcurl
CVE-2016-7141
curl and libcurl before 7.50.2, when built with NSS and the libnsspem.so library is available at runtime, allow remote attackers to hijack the authentication of a TLS connection by leveraging reuse of a previously loaded client certificate from file for a connection for which no certificate has been set, a different vulnerability than CVE-2016-5420.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.082 (94.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.077 · newest: 0.082 · change: +0.005
Affected products
- Haxx Libcurl
- openSUSE Leap — versions 42.1
Weakness classification (CWE)
References
- rhn.redhat.com/errata/RHSA-2016-2575.html (vendor-advisory)
- curl.haxx.se/docs/adv_20160907.html (Patch, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:3558 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- www.securitytracker.com/id/1036739 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.debian.org/debian-lts-announce/2018/11/msg00005.html (mailing-list)
- github.com/curl/curl/commit/curl-7_50_2~32 (Patch, Issue Tracking)
- lists.opensuse.org/opensuse-updates/2016-09/msg00094.html (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- rhn.redhat.com/errata/RHSA-2016-2957.html (vendor-advisory)
Frequently asked questions
- What is CVE-2016-7141?
- CVE-2016-7141 is a high-severity vulnerability in Haxx Libcurl, classified under Improper Authentication. CVSS score: 7.5/10. Published 2016-10-03.
- How severe is CVE-2016-7141?
- High severity. CVSS v3 base score is 7.5 out of 10.