A vulnerability was found in LibTIFF. It has been classified as critical. This affects the function TIFFReadRGBATileExt of the file libtiff/tif_getimage.c. The manipulation leads to integer overflow. The CWE definition for the vulnerability is CWE-190. The weakness was shared 11/13/2022 as 227500897dfb07fb7d27f7aa570050e62617e3be. The advisory is shared at bugs.chromium.org.
This vulnerability is uniquely identified as CVE-2022-3970. It is possible to initiate the attack remotely. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The price for an exploit might be around USD $0-$5k at the moment.
It is declared as proof-of-concept. The exploit is shared for download at oss-fuzz.com. We expect the 0-day to have been worth approximately $0-$5k.
The identifier of the patch is 227500897dfb07fb7d27f7aa570050e62617e3be. The bugfix is ready for download at gitlab.com. It is recommended to apply a patch to fix this issue. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
Timeline
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