Vulnerability identifier: #VU29467

Vulnerability risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3432

CWE-ID: CWE-59

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco AnyConnect Secure Mobility Client
Client/Desktop applications / Other client software

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to corrupt the content of any file in the filesystem.

The vulnerability exists due to the incorrect handling of directory paths in the uninstaller component. A local user can create a symbolic link (symlink) to a target file on a specific path and corrupt the contents of the file, leading to denial of service (DoS) condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco AnyConnect Secure Mobility Client: 4.8.3036

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-mac-dos-36s2y3Lv

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.