CVE-2018-8809 — In radare2 2

In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted dex file.

01What is this vulnerability?

In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted dex file.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2018-03-20T05:00:00.000Z
• Last modified: 2024-08-05T07:02:26.191Z

09References

• github.com — https://github.com/radare/radare2/issues/9726