tiff: CVE-2022-3970: TIFFReadRGBATileExt(): fix (unsigned) integer overflow on strips/tiles > 2 GB

Debian Bug report logs - #1024737
tiff: CVE-2022-3970: TIFFReadRGBATileExt(): fix (unsigned) integer overflow on strips/tiles > 2 GB

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: tiff: CVE-2022-3970: TIFFReadRGBATileExt(): fix (unsigned) integer overflow on strips/tiles > 2 GB

Date: Thu, 24 Nov 2022 06:53:54 +0100

Source: tiff
Version: 4.4.0-5
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for tiff.

CVE-2022-3970[0]:
| 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. It
| is possible to initiate the attack remotely. The exploit has been
| disclosed to the public and may be used. The name of the patch is
| 227500897dfb07fb7d27f7aa570050e62617e3be. It is recommended to apply a
| patch to fix this issue. The identifier VDB-213549 was assigned to
| this vulnerability.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2022-3970
    https://www.cve.org/CVERecord?id=CVE-2022-3970
[1] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53137
[2] https://gitlab.com/libtiff/libtiff/-/commit/227500897dfb07fb7d27f7aa570050e62617e3be

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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