CVE-2017-5357
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 3.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.1% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.1% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Fedoraproject Fedora 25
- Gnu Ed ≤ 1.14
Attack profile CVSS 3.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-5357.md and follow it. Check whether this project is affected by CVE-2017-5357. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2017/01/12/5
- https://lists.gnu.org/archive/html/bug-ed/2017-01/msg00000.html
- http://www.openwall.com/lists/oss-security/2017/01/12/5
- https://lists.gnu.org/archive/html/bug-ed/2017-01/msg00000.html
References
- http://www.openwall.com/lists/oss-security/2017/01/12/5
- http://www.openwall.com/lists/oss-security/2017/01/12/6
- http://www.openwall.com/lists/oss-security/2017/01/12/7
- http://www.openwall.com/lists/oss-security/2017/01/13/3
- http://www.securityfocus.com/bid/95422
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVH54XNZ77ICNBJTPI2DLJYQTA3SYSFC/
- https://lists.gnu.org/archive/html/bug-ed/2017-01/msg00000.html
- http://www.openwall.com/lists/oss-security/2017/01/12/5
- http://www.openwall.com/lists/oss-security/2017/01/12/6
- http://www.openwall.com/lists/oss-security/2017/01/12/7
- http://www.openwall.com/lists/oss-security/2017/01/13/3
- http://www.securityfocus.com/bid/95422
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVH54XNZ77ICNBJTPI2DLJYQTA3SYSFC/
- https://lists.gnu.org/archive/html/bug-ed/2017-01/msg00000.html