CVE-2017-7609

Public Exploit

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.17%
Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3670-1/ vendor advisory
https://blogs.gentoo.org/ago/2017/04/03/elfutils-memory-allocation-failure-in-__libelf_decompress-elf_compress-c exploit third party advisory patch
https://security.gentoo.org/glsa/201710-10 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-7609?
CVE-2017-7609 has been scored as a medium severity vulnerability.
How to fix CVE-2017-7609?
To fix CVE-2017-7609, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7609 being actively exploited in the wild?
It is possible that CVE-2017-7609 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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