CVE-2017-7609

Publication date 9 April 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

elf_compress.c in elfutils 0.168 does not validate the zlib compression factor, which allows remote attackers to cause a denial of service (memory consumption) via a crafted ELF file.

Read the notes from the security team

Status

Package Ubuntu Release Status
elfutils 18.04 LTS bionic
Fixed 0.170-0.4
17.10 artful
Fixed 0.170-0.1
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
Fixed 0.165-3ubuntu1.1
14.04 LTS trusty
Not affected
12.04 LTS precise Ignored end of life

Notes

tyhicks

Support for compressed sections was first introduced in 0.165

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
elfutils

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references