CVE-2017-7612
What it is
The check_sysv_hash function in elflint.c in elfutils 0.168 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of service disruption.
- Exploit odds
- 1.8% 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: 1.8% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.8% · EPSS, next 30 days
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Modified
Affected
- Elfutils Project Elfutils 0.168
- Debian Linux 8.0
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
Attack profile CVSS 3.0 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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-2017-7612.md and follow it. Check whether this project is affected by CVE-2017-7612. 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://blogs.gentoo.org/ago/2017/04/03/elfutils-heap-based-buffer-overflow-in-check_sysv_hash-elflint-c
- https://blogs.gentoo.org/ago/2017/04/03/elfutils-heap-based-buffer-overflow-in-check_sysv_hash-elflint-c
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
- https://blogs.gentoo.org/ago/2017/04/03/elfutils-heap-based-buffer-overflow-in-check_sysv_hash-elflint-c
- https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
- https://security.gentoo.org/glsa/201710-10
- https://usn.ubuntu.com/3670-1/
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
- https://blogs.gentoo.org/ago/2017/04/03/elfutils-heap-based-buffer-overflow-in-check_sysv_hash-elflint-c
- https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
- https://security.gentoo.org/glsa/201710-10
- https://usn.ubuntu.com/3670-1/