CVE-2022-24198 — iText v7

iText v7.1.17 was discovered to contain an out-of-bounds exception via the component ARCFOUREncryption.encryptARCFOUR, which allows attackers to cause a Denial of Service (DoS) via a crafted PDF file. NOTE: Vendor does not view this as a vulnerability and has not found it to be e

01What is this vulnerability?

iText v7.1.17 was discovered to contain an out-of-bounds exception via the component ARCFOUREncryption.encryptARCFOUR, which allows attackers to cause a Denial of Service (DoS) via a crafted PDF file. NOTE: Vendor does not view this as a vulnerability and has not found it to be exploitable.

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: 2022-02-01T00:00:00.000Z
• Last modified: 2024-08-03T04:07:01.606Z

09References

• github.com — https://github.com/itext/itext7/pull/78
• github.com — https://github.com/itext/itext7/pull/78#issuecomment-1089287808