Oracle Solaris Privilege Escalation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-25
• EPSS: 13% chance of exploitation in the next 30 days (higher than 96% of CVEs)

[ Description ]Official description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: XScreenSaver). The supported version that is affected is 11. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.0 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CISA: Oracle Solaris component: XScreenSaver contains an unspecified vulnerability that allows for privilege escalation.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Jun 2022): Apply updates per vendor instructions.

• Patch on oracle.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• packetstormsecurity.com/files/154960/Solaris-xscreensaver-Privilege-Escalation.htmlExploitThird Party AdvisoryVDB Entry
• seclists.org/fulldisclosure/2019/Oct/39Mailing ListThird Party Advisory
• www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.htmlPatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource