Slackware Linux update for libpng

Published: 2015-12-16 | Updated: 2017-05-06

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2015-8126 CVE-2015-8472
CWE-ID	CWE-119 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Slackware Linux Operating systems & Components / Operating system
Vendor	Slackware

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU32378

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-8126

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Multiple buffer overflows in the (1) png_set_PLTE and (2) png_get_PLTE functions in libpng before 1.0.64, 1.1.x and 1.2.x before 1.2.54, 1.3.x and 1.4.x before 1.4.17, 1.5.x before 1.5.24, and 1.6.x before 1.6.19 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a small bit-depth value in an IHDR (aka image header) chunk in a PNG image.

Mitigation

Update the affected package libpng.

Vulnerable software versions

Slackware Linux: 13.0 - 14.1

CPE2.3

External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.504203

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU32352