CVE-2019-5530 — Windows binaries generated with InstallBuilder versions earlier than 19

Windows binaries generated with InstallBuilder versions earlier than 19.7.0 are vulnerable to tampering even if they contain a valid Authenticode signature.

01What is this vulnerability?

Windows binaries generated with InstallBuilder versions earlier than 19.7.0 are vulnerable to tampering even if they contain a valid Authenticode signature.

02Affected products

Vendor	Product	Versions
n	a / InstallBuilder	prior to 19.7.0

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: 2019-08-29T00:53:03.000Z
• Last modified: 2024-08-04T20:01:51.458Z

09References

• blog.bitrock.com — https://blog.bitrock.com/2019/08/installer-tampering-while-preserving.html