Buffer overflow in Haxx Curl
CVE-2017-7407
The ourWriteOut function in tool_writeout.c in curl 7.53.1 might allow physically proximate attackers to obtain sensitive information from process memory in opportunistic circumstances by reading a workstation screen during use of a --write-out argument ending in a '%' character, which leads to a heap-based buffer over-read.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Haxx Curl — versions 7.53.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/curl/curl/commit/1890d59905414ab84a35892b2e45833654aa5c13 (Patch, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:3558 (vendor-advisory)
- security.gentoo.org/glsa/201709-14 (vendor-advisory)
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
Frequently asked questions
- What is CVE-2017-7407?
- CVE-2017-7407 is a low-severity vulnerability in Haxx Curl, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 2.4/10. Published 2017-04-03.
- How severe is CVE-2017-7407?
- Low severity. CVSS v3 base score is 2.4 out of 10.
- Is CVE-2017-7407 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.