CVE-2018-11846 — The use of a non-time-constant memory comparison operation can lead to timing/si

The use of a non-time-constant memory comparison operation can lead to timing/side channel attacks in Snapdragon Mobile in version SD 210/SD 212/SD 205, SD 845, SD 850

01What is this vulnerability?

The use of a non-time-constant memory comparison operation can lead to timing/side channel attacks in Snapdragon Mobile in version SD 210/SD 212/SD 205, SD 845, SD 850

02Affected products

Vendor	Product	Versions
Qualcomm, Inc.	Snapdragon Mobile	SD 210/SD 212/SD 205, SD 845, SD 850

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: 2018-10-26T13:00:00.000Z
• Last modified: 2024-08-05T08:17:09.282Z

09References

• www.qualcomm.com — https://www.qualcomm.com/company/product-security/bulletins