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Vulnerability of lighttpd: privilege escalation via setuid/setgid/setgroups Unchecked Return Values

Synthesis of the vulnerability 

An attacker can bypass restrictions via setuid/setgid/setgroups Unchecked Return Values of lighttpd, in order to escalate his privileges.
Impacted products: Debian, Fedora, lighttpd, McAfee NSM, McAfee NTBA, openSUSE.
Severity of this bulletin: 2/4.
Creation date: 18/03/2020.
Références of this threat: CVE-2013-4559, DSA-2795-1, DSA-2795-2, FEDORA-2014-2495, FEDORA-2014-2506, MDVSA-2013:277, openSUSE-SU-2014:0072-1, SB10310, VIGILANCE-VUL-31821.

Description of the vulnerability 

An attacker can bypass restrictions via setuid/setgid/setgroups Unchecked Return...
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This threat note impacts software or systems such as Debian, Fedora, lighttpd, McAfee NSM, McAfee NTBA, openSUSE.

Our Vigil@nce team determined that the severity of this cybersecurity note is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this vulnerability note.

Solutions for this threat 

This vulnerability fix will be public soon.
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