Improper input validation in Haxx Curl
CVE-2016-8624
curl before version 7.51.0 doesn't parse the authority component of the URL correctly when the host name part ends with a '#' character, and could instead be tricked into connecting to a different host. This may have security implications if you for example use an URL parser that follows the RFC to check for allowed domains before using curl to request them.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.063 (93.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.063 · newest: 0.063 · change: 0.000
Affected products
- Haxx Curl
- The Curl Project — versions 7.51.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2018:3558 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.tenable.com/security/tns-2016-21 (Third Party Advisory)
- www.securitytracker.com/id/1037192 (VDB Entry, Third Party Advisory, vdb-entry)
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- curl.haxx.se/docs/adv_20161102J.html (Patch, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:2486 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201701-47 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/94103 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.apache.org/thread.html/rfaa4d578587f52a9c4d176af516a681a712c664e3be440a41… (mailing-list)
Frequently asked questions
- What is CVE-2016-8624?
- CVE-2016-8624 is a medium-severity vulnerability in Haxx Curl, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2018-07-31.
- How severe is CVE-2016-8624?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2016-8624 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.