CVE-2018-12239 — Norton prior to 22

Norton prior to 22.15; Symantec Endpoint Protection (SEP) prior to 12.1.7454.7000 & 14.2; Symantec Endpoint Protection Small Business Edition (SEP SBE) prior to NIS-22.15.1.8 & SEP-12.1.7454.7000; and Symantec Endpoint Protection Cloud (SEP Cloud) prior to 22.15.1 may be

01What is this vulnerability?

Norton prior to 22.15; Symantec Endpoint Protection (SEP) prior to 12.1.7454.7000 & 14.2; Symantec Endpoint Protection Small Business Edition (SEP SBE) prior to NIS-22.15.1.8 & SEP-12.1.7454.7000; and Symantec Endpoint Protection Cloud (SEP Cloud) prior to 22.15.1 may be susceptible to an AV bypass issue, which is a type of exploit that works to circumvent one of the virus detection engines to…

02Affected products

Vendor	Product	Versions
Symantec Corporation	Norton; Symantec Endpoint Protection (SEP); Symantec Endpoint Protection Small Business Edition (SEP SBE); Symantec Endpoint Protection Cloud (SEP Cloud)	Prior to 22.15 [Norton], Prior to 12.1.7454.7000 & 14.2 [Symantec Endpoint Protection (SEP)], Prior to NIS-22.15.1.8 & SEP-12.1.7454.7000 [Symantec Endpoint Protection Small Business Edition (SEP SBE)], Prior to 22.15.1 [Symantec Endpoint Protection Cloud (SEP Cloud)]

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-11-29T14:00:00.000Z
• Last modified: 2024-08-05T08:30:59.652Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/105918
• support.symantec.com — https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.html