Use After Free in GNU Ed
CVE-2017-5357
regex.c in GNU ed before 1.14.1 allows attackers to cause a denial of service (crash) via a malformed command, which triggers an invalid free.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.031 · change: +0.000
Affected products
- GNU Ed
- Fedoraproject Fedora — versions 25
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2017/01/12/5 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2017/01/12/6 (mailing-list, Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/bug-ed/2017-01/msg00000.html (Vendor Advisory, mailing-list)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.securityfocus.com/bid/95422 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2017/01/12/7 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2017/01/13/3 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5357?
- CVE-2017-5357 is a high-severity vulnerability in GNU Ed, classified under Use After Free. CVSS score: 7.5/10. Published 2017-02-17.
- How severe is CVE-2017-5357?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-5357 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.