Memory corruption in firefox-esr (Alpine package)

1) Memory corruption

EUVDB-ID: #VU13263

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-10392

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 vulnerability exists due to improper validation of the number of channels by mapping0_forward in mapping0.c in Xiph.Org libvorbis. A remote unauthenticated attacker can send a specially crafted file, trigger heap-based buffer overflow or over-read and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 68.3.0-r0 - 68.8.0-r0

CPE2.3

• cpe:2.3:a:alpine:firefox-esr_alpine_package:68.3.0-r0:*:*:*:*:alpine_linux:*:3.11
• cpe:2.3:a:alpine:firefox-esr_alpine_package:68.4.1-r0:*:*:*:*:alpine_linux:*:3.11
• cpe:2.3:a:alpine:firefox-esr_alpine_package:68.4.2-r0:*:*:*:*:alpine_linux:*:3.11

External links

https://git.alpinelinux.org/aports/commit/?id=d674ed89f91ccc24468e27d5dcde264eb734f58c

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.