CVE-2018-5852 — An unsigned integer underflow vulnerability in IPA driver result into a buffer o

An unsigned integer underflow vulnerability in IPA driver result into a buffer over-read while reading NAT entry using debugfs command 'cat /sys/kernel/debug/ipa/ip4_nat'

01What is this vulnerability?

An unsigned integer underflow vulnerability in IPA driver result into a buffer over-read while reading NAT entry using debugfs command 'cat /sys/kernel/debug/ipa/ip4_nat'

02Affected products

Vendor	Product	Versions
Qualcomm, Inc.	Snapdragon	MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, SD 210/SD 212/SD 205, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845

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: 2024-11-26T13:56:25.527Z
• Last modified: 2024-11-26T15:00:48.248Z

09References

• docs.qualcomm.com — https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2018-bull…