Buffer overflow in Haxx Curl
CVE-2016-8620
The 'globbing' feature in curl before version 7.51.0 has a flaw that leads to integer overflow and out-of-bounds read via user controlled input.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.047 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Haxx Curl
- The Curl Project — versions 7.51.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/94102 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2018:3558 (vendor-advisory, Third Party Advisory)
- curl.haxx.se/docs/adv_20161102F.html (Vendor Advisory)
- www.tenable.com/security/tns-2016-21 (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.securitytracker.com/id/1037192 (VDB Entry, Third Party Advisory, vdb-entry)
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html (Patch)
- security.gentoo.org/glsa/201701-47 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-8620?
- CVE-2016-8620 is a medium-severity vulnerability in Haxx Curl, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2018-08-01.
- How severe is CVE-2016-8620?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2016-8620 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.