Resource management error in firefox (Alpine package)

1) Resource management error

EUVDB-ID: #VU48474

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-26955

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the way cookies are handled during file downloads. When a user downloaded a file in Firefox for Android, if a cookie is set, it would have been re-sent during a subsequent file download operation on the same domain, regardless of whether the original and subsequent request were in private and non-private browsing modes.

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

External links

https://git.alpinelinux.org/aports/commit/?id=13a8f0d1284680f721e935cc6d3cb2649cf25093

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.