SB2022031215 - Multiple vulnerabilities in gogs

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authorization (CVE-ID: CVE-2022-0871)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper PAM authorization handling. A remote attacker can gain access to the target application.

2) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2022-0870)

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in repository migration. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Remediation

Install update from vendor's website.

References

• https://github.com/gogs/gogs/security/advisories/GHSA-gw5h-h6hj-f56g
• https://github.com/gogs/gogs/security/advisories/GHSA-q347-cg56-pcq4