Heap Buffer Overflow in OTFCC
Summary
CVE-2022-35059: OTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6c0414. Affects texlive-bin versions < 3a9d42668f45387fa566845be5a3e61579823d35. No fix is published. How to fix ↓
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Background
OTFCC is an open-source font editor and converter. It is used for manipulating OpenType and TrueType fonts. The vulnerability affects the texlive-bin package in Debian versions 12 and 13. This package provides the binaries for the TeX Live distribution. The vulnerability allows for a heap buffer overflow in the otfccdump component.
Vulnerability Detail
The vulnerability, identified as CVE-2022-35059, is a heap buffer overflow in OTFCC commit 617837b. This vulnerability can be exploited via the otfccdump binary in the texlive-bin package. An attacker can trigger the overflow by providing specially crafted input to the otfccdump tool. The impact of this vulnerability can lead to arbitrary code execution or a denial of service condition. The severity of this vulnerability is rated as unimportant.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
At the moment, there is no known workaround for this vulnerability. It is recommended to apply the official patch or update the affected package as soon as possible.
Conclusion
In conclusion, the OTFCC commit 617837b in the texlive-bin package is vulnerable to a heap buffer overflow. This vulnerability can be exploited to execute arbitrary code or cause a denial of service. It is crucial to update the texlive-bin package to a patched version as soon as possible to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
OTFCC is an open-source font editor and converter used for manipulating OpenType and TrueType fonts.
texlive-bin is a package in Debian that provides the binaries for the TeX Live distribution.
A heap buffer overflow is a type of vulnerability where a program writes more data into a buffer than it can hold, leading to memory corruption and potential code execution.
The impact of this vulnerability can range from arbitrary code execution to a denial of service condition.
To fix this vulnerability, update the texlive-bin package to a version that includes the fix for the heap buffer overflow.
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