Log data manipulation in Gin

1) Input validation error

EUVDB-ID: #VU72755

Risk: Medium

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

CVE-ID: CVE-2020-36567

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to manipulate information in the log files.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can inject arbitrary log lines.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gin: 0.1 - 1.5.0

CPE2.3

• cpe:2.3:a:gin-gonic:gin:0.1:*:*:*:*:*:*:*
• cpe:2.3:a:gin-gonic:gin:0.3:*:*:*:*:*:*:*
• cpe:2.3:a:gin-gonic:gin:0.4:*:*:*:*:*:*:*

External links

https://pkg.go.dev/vuln/GO-2020-0001
https://github.com/gin-gonic/gin/commit/a71af9c144f9579f6dbe945341c1df37aaf09c0d
https://github.com/gin-gonic/gin/pull/2237

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.