CVE-2019-2205 — In ProxyResolverV8::SetPacScript of proxy_resolver_v8

In ProxyResolverV8::SetPacScript of proxy_resolver_v8.cc, there is a possible memory corruption due to a use after free. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersio

01What is this vulnerability?

In ProxyResolverV8::SetPacScript of proxy_resolver_v8.cc, there is a possible memory corruption due to a use after free. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-139806216

02Affected products

Vendor	Product	Versions
n	a / Android	Android-8.0 Android-8.1 Android-9 Android-10

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: 2019-11-13T17:37:38.000Z
• Last modified: 2024-08-04T18:42:50.859Z

09References

• source.android.com — https://source.android.com/security/bulletin/2019-11-01