Heap Buffer Overflow in OTFCC
Summary
CVE-2022-35045: OTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6b0d63. Affects texlive-bin versions < 3a9d42668f45387fa566845be5a3e61579823d35. No fix is published. How to fix ↓
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Background
The texlive-bin package is a part of the Debian ecosystem and is used for typesetting documents with TeX. It provides various utilities, including otfccdump, which is used for extracting font information from OpenType and TrueType fonts. The package is widely used for document processing and font manipulation.
Vulnerability Detail
The OTFCC commit 617837b in texlive-bin was found to have a heap buffer overflow vulnerability. This vulnerability can be exploited via the otfccdump utility at the memory address +0x6b0d63. An attacker can potentially trigger this overflow to execute arbitrary code or crash the application, leading to a denial of service.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can avoid using the otfccdump utility until the package is updated with the fix. This will help mitigate the risk of exploitation through the heap buffer overflow.
Conclusion
In conclusion, the texlive-bin package in the Debian ecosystem is vulnerable to a heap buffer overflow in the otfccdump utility. Users are advised to update their installations to the latest version of the package to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
texlive-bin is a package in the Debian ecosystem that provides utilities for typesetting documents with TeX.
otfccdump is a utility included in texlive-bin that is used for extracting font information from OpenType and TrueType fonts.
A heap buffer overflow is a type of vulnerability where a program writes more data to a buffer in the heap memory than it can hold, leading to memory corruption and potential code execution or crashes.
This vulnerability can allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service.
To update the texlive-bin package, you can use the package manager for your operating system. For Debian-based systems, you can use the 'apt' command to update the package.
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