CVE-2022-34924 — Lanling OA Landray Office Automation (OA) internal patch number #133383/#137780

Lanling OA Landray Office Automation (OA) internal patch number #133383/#137780 contains an arbitrary file read vulnerability via the component /sys/ui/extend/varkind/custom.jsp.

01What is this vulnerability?

Lanling OA Landray Office Automation (OA) internal patch number #133383/#137780 contains an arbitrary file read vulnerability via the component /sys/ui/extend/varkind/custom.jsp.

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: 2022-08-02T19:06:28.000Z
• Last modified: 2024-08-03T09:22:10.805Z

09References

• codeantenna.com — https://codeantenna.com/a/DXQfemaZEH
• developpaper.com — https://developpaper.com/lanling-oa-foreground-arbitrary-file-reading-vulnerabil…