CVE-2023-6299

A vulnerability, which was classified as problematic, has been found in Apryse iText 8.0.1. This issue affects some unknown processing of the file PdfDocument.java of the component Reference Table Handler. The manipulation leads to memory leak. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 8.0.2 is able to address this issue. It is recommended to upgrade the affected component. The identifier VDB-246125 was assigned to this vulnerability. NOTE: The vendor was contacted early about this vulnerability. The fix was introduced in the iText 8.0.2 release on October 25th 2023, prior to the disclosure.

Weakness

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

Affected Software

Potential Mitigations

• Choose a language or tool that provides automatic memory management, or makes manual memory management less error-prone.
• For example, glibc in Linux provides protection against free of invalid pointers.
• When using Xcode to target OS X or iOS, enable automatic reference counting (ARC) [REF-391].
• To help correctly and consistently manage memory when programming in C++, consider using a smart pointer class such as std::auto_ptr (defined by ISO/IEC ISO/IEC 14882:2003), std::shared_ptr and std::unique_ptr (specified by an upcoming revision of the C++ standard, informally referred to as C++ 1x), or equivalent solutions such as Boost.

References

• https://drive.google.com/file/d/1_jeD7SvuliKc_02pPTPbfSnqAErzmFny/view?usp=sharing
• https://kb.itextpdf.com/home/it7kb/releases/release-itext-core-8-0-2#ReleaseiTextCore8.0.2-Bugfixesandmiscellaneous
• https://vuldb.com/?ctiid.246125
• https://vuldb.com/?id.246125