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CVE-2017-7609

Published: 9 April 2017

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.

Notes

AuthorNote
tyhicks
Support for compressed sections was first introduced in 0.165

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
elfutils
Launchpad, Ubuntu, Debian
artful
Released (0.170-0.1)
bionic
Released (0.170-0.4)
precise Ignored
(end of life)
trusty Not vulnerable
(0.158-0ubuntu5.2)
upstream Needed

xenial
Released (0.165-3ubuntu1.1)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
Patches:
upstream: https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=8dcc4bf791469a32c3a09ebcc23b309bf75c795f

Severity score breakdown

Parameter Value
Base score 5.5
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