Valve Steam 2.10.91.91 uses weak permissions (Users: read and write) for the Install folder, which allows local users to gain privileges via a Trojan horse steam.exe file.
During installation, installed file permissions are set to allow anyone to modify those files.
Link | Tags |
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http://www.securityfocus.com/archive/1/536961/100/0/threaded | mailing list vdb entry third party advisory broken link |
http://packetstormsecurity.com/files/134513/Steam-2.10.91.91-Weak-File-Permissions-Privilege-Escalation.html | vdb entry third party advisory |