Alcatel OmniPCX Enterprise Remote Code Execution Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-04-15
• EPSS: 97% chance of exploitation in the next 30 days (higher than 100% of CVEs)
• Critical severity: CVSS 9.8

[ Description ]Official description

masterCGI in the Unified Maintenance Tool in Alcatel OmniPCX Enterprise Communication Server R7.1 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the user parameter during a ping action.

CISA: masterCGI in the Unified Maintenance Tool in Alcatel OmniPCX Enterprise Communication Server allows remote attackers to execute arbitrary commands.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 6 May 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• marc.infoExploitMailing List
• osvdb.org/40521Broken Link
• secunia.com/advisories/26853Broken LinkVendor Advisory
• www.redteam-pentesting.de/advisories/rt-sa-2007-001.phpBroken Link
• www.securityfocus.com/archive/1/479699/100/0/threadedBroken LinkThird Party AdvisoryVDB Entry
• www.securityfocus.com/bid/25694Broken LinkThird Party AdvisoryVDB Entry
• www.vupen.com/english/advisories/2007/3185Broken Link
• www1.alcatel-lucent.com/psirt/statements/2007002/OXEUMT.htmBroken Link
• exchange.xforce.ibmcloud.com/vulnerabilities/36632Third Party AdvisoryVDB Entry
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource