CVE-2020-15639

25.08.2020, 21:15

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Marvell QConvergeConsole 5.5.0.64. Authentication is not required to exploit this vulnerability. The specific flaw exists within the decryptFile method of the FlashValidatorServiceImpl class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-10496.

Path Traversal

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
zdi	CNA	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 95%

Vendor	Product	Version
marvell	qconvergeconsole	𝑥 < 5.5.00.73

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References

https://www.marvell.com/content/dam/marvell/en/public-collateral/fibre-channel/marvell-fibre-channel-security-advisory-2020-07.pdf

https://www.zerodayinitiative.com/advisories/ZDI-20-967/

https://www.marvell.com/content/dam/marvell/en/public-collateral/fibre-channel/marvell-fibre-channel-security-advisory-2020-07.pdf

https://www.zerodayinitiative.com/advisories/ZDI-20-967/