Path traversal in aah Go web framework

1) Path traversal

EUVDB-ID: #VU25827

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences via static file delivery. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

aah: 0.12.0 - 0.12.3

CPE2.3

• cpe:2.3:a:aahframework.org:aahframework:0.12.0:*:*:*:*:*:*:*
• cpe:2.3:a:aahframework.org:aahframework:0.12.1:*:*:*:*:*:*:*
• cpe:2.3:a:aahframework.org:aahframework:0.12.2:*:*:*:*:*:*:*

External links

https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGOAAHAAH-559113
https://github.com/go-aah/aah/pull/267/commits/2c8f53fa7d3affbc79a1153773cb9d0607085b01
https://github.com/go-aah/aah/issues/266
https://github.com/go-aah/aah/pull/267

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.