Heap-based buffer overflow in Freedesktop Poppler

1) Heap-based buffer overflow

EUVDB-ID: #VU33071

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-8868

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the ExponentialFunction::ExponentialFunction function in Poppler before 0.40.0. A remote attacker can use an invalid blend mode in the ExtGState dictionary in a crafted PDF document. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update to version 0.40.0.

Vulnerable software versions

Poppler: 0.1 - 0.39.0

CPE2.3

• cpe:2.3:a:freedesktop_org:poppler:0.1:*:*:*:*:*:*:*
• cpe:2.3:a:freedesktop_org:poppler:0.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:freedesktop_org:poppler:0.1.2:*:*:*:*:*:*:*

External links

https://lists.fedoraproject.org/pipermail/package-announce/2016-April/183107.html
https://lists.fedoraproject.org/pipermail/package-announce/2016-April/183142.html
https://lists.opensuse.org/opensuse-updates/2016-05/msg00068.html
https://lists.opensuse.org/opensuse-updates/2016-06/msg00077.html
https://rhn.redhat.com/errata/RHSA-2016-2580.html
https://www.debian.org/security/2016/dsa-3563
https://www.openwall.com/lists/oss-security/2016/04/12/1
https://www.securityfocus.com/bid/89324
https://www.ubuntu.com/usn/USN-2958-1
https://bugs.freedesktop.org/show_bug.cgi?id=93476
https://cgit.freedesktop.org/poppler/poppler/commit/?id=b3425dd3261679958cd56c0f71995c15d2124433
https://poppler.freedesktop.org/releases.html
https://security.gentoo.org/glsa/201611-15

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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