Stack-based Buffer Overflow in giftrans 1.12.2: Arbitrary Data Overwrite Vulnerability

CVE-2021-45972 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

The giftrans function in giftrans 1.12.2 contains a stack-based buffer overflow because a value inside the input file determines the amount of data to write. This allows an attacker to overwrite up to 250 bytes outside of the allocated buffer with arbitrary data.

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