Path traversal in isomorphic-git - CVE-2021-30483

Vulnerability identifier: #VU55601

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2021-30483

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

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

isomorphic-git
Red Hat Virtualization Manager
rhv-log-collector-analyzer (Red Hat package)
ovirt-engine-ui-extensions (Red Hat package)
ovirt-web-ui (Red Hat package)
apache-sshd (Red Hat package)
ovirt-engine (Red Hat package)
vdsm (Red Hat package)

Install update from vendor's website.

isomorphic-git - update to 1.8.2
rhv-log-collector-analyzer (Red Hat package) - update to 1.0.16-1.el8ev
ovirt-engine-ui-extensions (Red Hat package) - update to 1.3.7-1.el8ev
ovirt-web-ui (Red Hat package) - update to 1.9.3-1.el8ev
apache-sshd (Red Hat package) - update to 2.9.2-0.1.el8ev
ovirt-engine (Red Hat package) - update to 4.5.3.5-1.el8ev
vdsm (Red Hat package) - update to 4.50.3.6-1.el8ev

• https://github.com/isomorphic-git/isomorphic-git/pull/1339
• https://vuln.ryotak.me/advisories/28
• https://github.com/isomorphic-git/isomorphic-git/releases/tag/v1.8.2

• Path traversal in isomorphic-git package for npm
• Multiple vulnerabilities in Red Hat Virtualization Manager 4.4