CVE-2022-24196 Allocation of Resources Without Limits or Throttling in iText

What is CVE-2022-24196?

CVE-2022-24196 is a medium-severity denial of service vulnerability in n/a, published on 1 Feb 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

iText v7.1.17, up to (exluding)": 7.1.18 and 7.2.2 was discovered to contain an out-of-memory error via the component readStreamBytesRaw, which allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.

Weakness: CWE-770

Which versions are affected by CVE-2022-24196?

2 open source packages ship an affected version, including com.itextpdf:itext7-core. It affects 1 product.

Products include Itextpdf Itext.

How do I fix CVE-2022-24196?

Upgrade com.itextpdf:itext7-core to 7.1.18 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-24196 being exploited?

There is no known exploitation of CVE-2022-24196 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2017-9096 Improper Restriction of XML External Entity Reference in iText High 8.8
• CVE-2022-24197 Out-of-bounds Write in iText Medium 6.5
• CVE-2022-24198 Out-of-bounds Read in iText Medium 6.5
• CVE-2023-6298 Apryse iText PdfDocument.java main array index Medium 4.3
• CVE-2023-6299 Apryse iText Reference Table PdfDocument.java memory leak Medium 4.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hhh6-cm2m-3fhc.