Category Archives: Advisories

Advisories

USN-5259-2: Cron vulnerabilities

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USN-5259-1 fixed several vulnerabilities in Cron. This update provides
the corresponding update for Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that the postinst maintainer script in Cron unsafely
handled file permissions during package install or update operations.
An attacker could possibly use this issue to perform a privilege
escalation attack. (CVE-2017-9525)

Florian Weimer discovered that Cron incorrectly handled certain memory
operations during crontab file creation. An attacker could possibly use
this issue to cause a denial of service. (CVE-2019-9704)

It was discovered that Cron incorrectly handled user input during crontab
file creation. An attacker could possibly use this issue to cause a denial
of service. (CVE-2019-9705)

It was discovered that Cron contained a use-after-free vulnerability in
its force_rescan_user function. An attacker could possibly use this issue
to cause a denial of service. (CVE-2019-9706)

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Advisories

Trojan-Ransom.LockerGoga / Code Execution

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Posted by malvuln on May 05

Discovery / credits: Malvuln – (John Page – aka hyp3rlinx) (c) 2022
Original source:
https://malvuln.com/advisory/3b200c8173a92c94441cb062d38012f6.txt
Contact: malvuln13 () gmail com
Media: twitter.com/malvuln

Threat: Trojan-Ransom.LockerGoga
Vulnerability: Code Execution
Description: LockerGoga looks for and loads a DLL named “wow64log.dll” in
WindowsSystem32. Therefore, we can drop our own DLL to intercept and
terminate the malware…

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