Buffer overflow in Haxx Curl
CVE-2015-3144
The fix_hostname function in cURL and libcurl 7.37.0 through 7.41.0 does not properly calculate an index, which allows remote attackers to cause a denial of service (out-of-bounds read or write and crash) or possibly have other unspecified impact via a zero-length host name, as demonstrated by "http://:80" and ":80."
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.0 (High). Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.110 (95.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.110 · newest: 0.110 · change: 0.000
Affected products
- Haxx Curl — versions 7.37.0, 7.37.1, 7.38.0
- Haxx Libcurl — versions 7.37.0, 7.37.1, 7.38.0
- Oracle MySQL Enterprise Monitor
- Canonical Ubuntu Linux — versions 12.04, 14.04, 14.10
- Debian Linux — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/pipermail/package-announce/2015-May/157188.html (vendor-advisory)
- www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- www.debian.org/security/2015/dsa-3232 (vendor-advisory)
- www.securityfocus.com/bid/74300 (vdb-entry)
- www.ubuntu.com/usn/USN-2591-1 (vendor-advisory)
- www.securitytracker.com/id/1032232 (vdb-entry)
- lists.apple.com/archives/security-announce/2015/Aug/msg00001.html (vendor-advisory)
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- kb.juniper.net/InfoCenter/index
- www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
Frequently asked questions
- What is CVE-2015-3144?
- CVE-2015-3144 is a vulnerability in Haxx Curl, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-04-24.
- Is CVE-2015-3144 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.