CVE-2015-8877

Public Exploit

Description

The gdImageScaleTwoPass function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in PHP before 5.6.12, uses inconsistent allocate and free approaches, which allows remote attackers to cause a denial of service (memory consumption) via a crafted call, as demonstrated by a call to the PHP imagescale function.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.32% Top 20%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/libgd/libgd/issues/173 patch
http://rhn.redhat.com/errata/RHSA-2016-2750.html vendor advisory
https://github.com/libgd/libgd/commit/4751b606fa38edc456d627140898a7ec679fcc24 patch
http://www.php.net/ChangeLog-5.php
https://bugs.php.net/bug.php?id=70064 exploit
http://www.ubuntu.com/usn/USN-2987-1 vendor advisory
http://www.debian.org/security/2016/dsa-3587 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-8877?
CVE-2015-8877 has been scored as a high severity vulnerability.
How to fix CVE-2015-8877?
To fix CVE-2015-8877, 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-2015-8877 being actively exploited in the wild?
It is possible that CVE-2015-8877 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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