Memory corruption in firefox-esr (Alpine package)

1) Memory corruption

EUVDB-ID: #VU10167

Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5089

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The weakness exists due to boundary error when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger mmeory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 52.5.2-r0 - 52.5.3-r0

CPE2.3

• cpe:2.3:o:alpine:firefox-esr_alpine_package:52.5.2-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:firefox-esr_alpine_package:52.5.3-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=9d0c4a60607987132bbda75257475a7542c35759
http://git.alpinelinux.org/aports/commit/?id=50d6c8f738e21e88d0ebbdf4007cde60d258d012
http://git.alpinelinux.org/aports/commit/?id=f21cbd7eaa510ec218e63fc43323ca9b101bdad6
http://git.alpinelinux.org/aports/commit/?id=26701b74f891400a545844d0ba4f616001b15944

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.