A vulnerability was identified in MrNanko webp4j up to 1.3.x. The affected element is the function DecodeGifFromMemory of the file src/main/c/gif_decoder.c. Such manipulation of the argument canvas_height leads to integer overflow.
Local access is required to approach this attack. The exploit is publicly available and might be used. The name of the patch is 89771b201c66d15d29e4cc016d8aae82b6a5fbe1.
It is advisable to implement a patch to correct this issue.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 8
https://github.com/MrNanko/webp4j/
cna@vuldb.com
https://github.com/MrNanko/webp4j/commit/89771b201c66d15d29e4cc016d8aae82b6a5fb…
cna@vuldb.com
https://github.com/MrNanko/webp4j/issues/6
cna@vuldb.com
https://github.com/MrNanko/webp4j/issues/6#issuecomment-3941945014
cna@vuldb.com
https://github.com/Sp1d3rL1/Webp4j-Heap-Buffer-Overflow/blob/main/README.EN.md
cna@vuldb.com
https://vuldb.com/?ctiid.349653
cna@vuldb.com
https://vuldb.com/?id.349653
cna@vuldb.com
https://vuldb.com/?submit.765972
cna@vuldb.com