Ubuntu update for FreeType



Published: 2018-02-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-6942
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Operating systems & Components / Operating system

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU12561

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6942

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The weakness exists in the Ins_GETVARIATION() function within ttinterp.c due to NULL pointer dereference. A remote attacker can trick the victim into opening a specially crafted font file and cause the service to crash.

Mitigation

Update the affected packages

Ubuntu 17.10:
libfreetype6 2.8-0.2ubuntu2.1

Vulnerable software versions

Ubuntu: 17.10

CPE2.3 External links

http://www.ubuntu.com/usn/usn-3572-1/


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.



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