CVE-2018-11128 — The ObjReader::ReadObj() function in ObjReader

The ObjReader::ReadObj() function in ObjReader.cpp in vincent0629 PDFParser allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly execute arbitrary code via a crafted pdf file.

01What is this vulnerability?

The ObjReader::ReadObj() function in ObjReader.cpp in vincent0629 PDFParser allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly execute arbitrary code via a crafted pdf 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: 2018-05-17T19:00:00.000Z
• Last modified: 2024-08-05T08:01:51.160Z

09References

• seclists.org — http://seclists.org/fulldisclosure/2018/May/44