Use of a broken or risky cryptographic algorithm in firefox (Alpine package)

1) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU45798

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-12401

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to usage of ECDSA signatures. A local user can perform a side channel attack and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox (Alpine package): 76.0.1-r1 - 77.0.1-r4

CPE2.3

• cpe:2.3:o:alpine:firefox_alpine_package:76.0.1-r1:*:*:*:*:alpine_linux:*:3.12
• cpe:2.3:o:alpine:firefox_alpine_package:77.0-r0:*:*:*:*:alpine_linux:*:3.12
• cpe:2.3:o:alpine:firefox_alpine_package:77.0.1-r0:*:*:*:*:alpine_linux:*:3.12

External links

https://git.alpinelinux.org/aports/commit/?id=ec7853eade2b7d671bc10bb748c69725d946a4fa

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.