LibTIFF 4.4.0 libtiff/tif_unix.c _TIFFmemcpy out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability has been found in LibTIFF 4.4.0 (Image Processing Software) and classified as critical. Affected by this vulnerability is the function _TIFFmemcpy of the file libtiff/tif_unix.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemcpy in libtiff/tif_unix.c:346 when called from extractImageSection, tools/tiffcrop.c:6826, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 236b7191.

The weakness was presented 10/21/2022 as 413. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2022-3597 since 10/19/2022. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 236b7191f04c60d09ee836ae13b50f812c841047 is able to eliminate this problem. The bugfix is ready for download at gitlab.com.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 236b7191f04c60d09ee836ae13b50f812c841047

Timelineinfo

10/19/2022 🔍
10/21/2022 +2 days 🔍
10/21/2022 +0 days 🔍
11/19/2022 +29 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: 413
Status: Confirmed

CVE: CVE-2022-3597 (🔍)

Entryinfo

Created: 10/21/2022 21:10
Updated: 11/19/2022 10:03
Changes: 10/21/2022 21:10 (53), 11/19/2022 10:03 (11)
Complete: 🔍

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