CVE-2018-6913
What it is
Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via a large item count.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 10.7% chance of exploitation in the next 30 days (EPSS). Higher than most.
- 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: 10.7% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 10.7% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Modified
Affected
- Debian Linux 7.0
- Debian Linux 8.0
- Debian Linux 9.0
- Perl < 5.26.2
- Canonical Ubuntu Linux 12.04
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 17.10
Attack profile CVSS 3.0 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2018-6913.md and follow it. Check whether this project is affected by CVE-2018-6913. 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
- https://rt.perl.org/Public/Bug/Display.html?id=131844
- https://rt.perl.org/Public/Bug/Display.html?id=131844
References
- http://www.securityfocus.com/bid/103953
- http://www.securitytracker.com/id/1040681
- https://lists.debian.org/debian-lts-announce/2018/04/msg00009.html
- https://rt.perl.org/Public/Bug/Display.html?id=131844
- https://security.gentoo.org/glsa/201909-01
- https://usn.ubuntu.com/3625-1/
- https://usn.ubuntu.com/3625-2/
- https://www.debian.org/security/2018/dsa-4172
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://www.securityfocus.com/bid/103953
- http://www.securitytracker.com/id/1040681
- https://lists.debian.org/debian-lts-announce/2018/04/msg00009.html
- https://rt.perl.org/Public/Bug/Display.html?id=131844
- https://security.gentoo.org/glsa/201909-01
- https://usn.ubuntu.com/3625-1/
- https://usn.ubuntu.com/3625-2/
- https://www.debian.org/security/2018/dsa-4172
- https://www.oracle.com/security-alerts/cpujul2020.html