SB2022020182 - Multiple vulnerabilities in iText

Description

This security bulletin contains information about 2 vulnerabilities.

1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2022-24196)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits or throttling in the component readStreamBytesRaw. A remote attacker can trick a victim to open a specially crafted PDF file and perform a denial of service (DoS) attack.

2) Stack-based buffer overflow (CVE-ID: CVE-2022-24197)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the component ByteBuffer.append. A remote unauthenticated attacker can use a specially crafted PDF file, trigger stack-based buffer overflow and cause a denial of service condition on the target system.

Remediation

Install update from vendor's website.

References

• https://github.com/itext/itext7/pull/78
• https://kb.itextpdf.com/home/it7kb/releases/release-itext-core-7-2-2