Vulnerability identifier: #VU32248

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6132

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libgd
Universal components / Libraries / Libraries used by multiple products

Vendor: GD Software

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The gdImageCreateFromTgaCtx function in the GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TGA file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libgd: 2.2.0 - 2.2.2

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External links
http://lists.opensuse.org/opensuse-updates/2016-08/msg00086.html
http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
http://www.debian.org/security/2016/dsa-3619
http://www.openwall.com/lists/oss-security/2016/06/30/10
http://www.openwall.com/lists/oss-security/2016/06/30/6
http://www.securityfocus.com/bid/91520
http://www.ubuntu.com/usn/USN-3060-1
http://github.com/libgd/libgd/issues/247
http://libgd.github.io/release-2.2.3.html
http://security.gentoo.org/glsa/201612-09

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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.