Buffer overflow in Haxx Curl
CVE-2017-8818
curl and libcurl before 7.57.0 on 32-bit platforms allow attackers to cause a denial of service (out-of-bounds access and application crash) or possibly have unspecified other impact because too little memory is allocated for interfacing to an SSL library.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.034 (88.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.034 · change: -0.004
Affected products
- Haxx Curl — versions 7.56.0, 7.56.1
- Haxx Libcurl — versions 7.56.0, 7.56.1
- Curl And Libcurl Before 7.57.0 — versions curl and libcurl before 7.57.0
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201712-04 (vendor-advisory, Third Party Advisory)
- curl.haxx.se/docs/adv_2017-af0a.html (Patch, Vendor Advisory)
- www.securitytracker.com/id/1039898 (VDB Entry, Third Party Advisory, vdb-entry)
- security.cucumberlinux.com/security/details.php (Third Party Advisory)
- www.securityfocus.com/bid/102014 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-8818?
- CVE-2017-8818 is a critical-severity vulnerability in Haxx Curl, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-11-29.
- How severe is CVE-2017-8818?
- Critical severity. CVSS v3 base score is 9.8 out of 10.