Ubuntu update for poppler

Published: 2018-01-08

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-1000456 CVE-2017-14976
CWE-ID	CWE-119 CWE-122
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Memory corruption

EUVDB-ID: #VU10326

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-2017-1000456

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The weakness exists due to improper validation of boundaries in TextPool::addWord in freedesktop.org libpoppler. A remote attacker can trigger overflow in subsequent calculations and cause the service to crash.

Mitigation

Update the affected packages

Ubuntu 17.10:

libpoppler68 0.57.0-2ubuntu4.2

poppler-utils 0.57.0-2ubuntu4.2

Ubuntu 17.04:

libpoppler64 0.48.0-2ubuntu2.5

poppler-utils 0.48.0-2ubuntu2.5

Ubuntu 16.04 LTS:

libpoppler58 0.41.0-0ubuntu1.6

poppler-utils 0.41.0-0ubuntu1.6

Ubuntu 14.04 LTS:

poppler-utils 0.24.5-2ubuntu4.9

libpoppler44 0.24.5-2ubuntu4.9

Vulnerable software versions

Ubuntu: 14.04 - 17.10

External links

http://www.ubuntu.com/usn/usn-3517-1/

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) Heap-based buffer overflow

EUVDB-ID: #VU8653