Arbitrary file overwrite in KDE Ark



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-24654
CWE-ID CWE-61
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ark
Client/Desktop applications / Other client software

Vendor KDE.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) UNIX symbolic link following

EUVDB-ID: #VU46109

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-24654

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a symlink following issue when processing .tar archives in KDE ark.  remote attacker can trick the victim to open a specially crafted .tar archive and overwrite arbitrary files on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ark: 2.6 - 20.07.90

CPE2.3 External links

http://kde.org/info/security/advisory-20200827-1.txt


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.



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