Arch Linux update for libass



Published: 2020-11-20
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-26682
CWE ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Arch Linux
Operating systems & Components / Operating system

Vendor Arch Linux

Security Advisory

This security advisory describes one high risk vulnerability.

1) Integer overflow

Risk: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-26682

CWE-ID: CWE-190 - Integer Overflow or Wraparound

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow when the ass_outline_construct() function calls to the outline_stroke() function in ass_outline.c. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

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

Mitigation

Update the affected package libass to version 0.15.0-1.

Vulnerable software versions

Arch Linux: All versions

CPE External links

https://security.archlinux.org/advisory/ASA-202011-19

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.