Integer overflow in Haxx Curl
CVE-2017-8816
The NTLM authentication feature in curl and libcurl before 7.57.0 on 32-bit platforms allows attackers to cause a denial of service (integer overflow and resultant buffer overflow, and application crash) or possibly have unspecified other…
Vulnerability class: Integer Overflow
EPSS: 0.005 (64.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Haxx Curl
- Haxx Libcurl
- Debian Debian_linux — versions 8.0, 9.0
- N/a Curl And Libcurl Before 7.57.0 — versions curl and libcurl before 7.57.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory)
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@debian.org (x_refsource_REDHAT, vendor-advisory)
- security@debian.org (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@debian.org (vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2017-8816?
- CVE-2017-8816 is a critical-severity vulnerability in Haxx Curl, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2017-11-29.
- How severe is CVE-2017-8816?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-8816 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.