CVE-2021-43113

moderate-risk
Published 2021-12-15

iTextPDF in iText 7 and up to (excluding 4.4.13.3) 7.1.17 allows command injection via a CompareTool filename that is mishandled on the gs (aka Ghostscript) command line in GhostscriptHelper.java.

Do I need to act?

~
3.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Itext

Affected Vendors

Debian Itextpdf

References (10)

Release Notes https://github.com/itext/itext7/releases/tag/7.1.17
https://github.com/itext/itextpdf/releases/tag/5.5.13.3
Mailing List https://lists.debian.org/debian-lts-announce/2023/01/msg00013.html
Exploit https://pastebin.com/BXnkY9YY
Third Party Advisory https://www.debian.org/security/2023/dsa-5323
Release Notes https://github.com/itext/itext7/releases/tag/7.1.17
https://github.com/itext/itextpdf/releases/tag/5.5.13.3
Mailing List https://lists.debian.org/debian-lts-announce/2023/01/msg00013.html
Exploit https://pastebin.com/BXnkY9YY
Third Party Advisory https://www.debian.org/security/2023/dsa-5323
48
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 9/34 · Low