#VU44928 Link following in dbus - CVE-2011-2533

Vulnerability identifier: #VU44928

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-2533

CWE-ID: CWE-59

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
dbus
Universal components / Libraries / Libraries used by multiple products

Vendor: Freedesktop.org

Description

The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.

The configure script in D-Bus (aka DBus) 1.2.x before 1.2.28 allows local users to overwrite arbitrary files via a symlink attack on an unspecified file in /tmp/.

Mitigation
Install update from vendor's website.

Vulnerable software versions

dbus: 1.2.1 - 1.2.26

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External links
https://cgit.freedesktop.org/dbus/dbus/tree/NEWS?h=dbus-1.2
https://www.securitytracker.com/id?1025720
https://exchange.xforce.ibmcloud.com/vulnerabilities/68173

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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.