SB2020050530 - Input validation error in firefox (Alpine package)
Published: May 5, 2020
Security Bulletin ID
SB2020050530
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2020-12392)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to the "Copy as cURL" feature of Devtools network tab did not properly escape the HTTP POST data of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in the disclosure of local files.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=aadba671901181be240a1d151a9f3a04f2ce3ca5
- https://git.alpinelinux.org/aports/commit/?id=174183ffc582462ae8eaf468da032a6642e140c4
- https://git.alpinelinux.org/aports/commit/?id=397c40a2e03948882e67f7fb7053d46e6dda50d3
- https://git.alpinelinux.org/aports/commit/?id=4b76c8208fa0c29e289d14baf509b417f7c96a08
- https://git.alpinelinux.org/aports/commit/?id=c9413fd0912a1f1e6cdc9e5fd25d15f4f22cc11a
- https://git.alpinelinux.org/aports/commit/?id=1aeb9d76f321c652de13c181f2775af18eb8c42d