Denial of service in Poppler

Published: 2018-05-22

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-18267 CVE-2018-10768
CWE-ID	CWE-674 CWE-476
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Poppler Client/Desktop applications / Office applications
Vendor	Freedesktop.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Uncontrolled recursion

EUVDB-ID: #VU12892

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18267

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the FoFiType1C::cvtGlyph function in fofi/FoFiType1C.cc due to infinite recursion. A remote attacker can trick the victim into opening a specially crafted PDF file and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Poppler: 0.60.0 - 0.64.0

External links

http://bugzilla.freedesktop.org/show_bug.cgi?id=103238

Q & A

Can this vulnerability be exploited remotely?

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

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.

Is there known malware, which exploits this vulnerability?

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

2) NULL pointer dereference

EUVDB-ID: #VU12893