2021-37620 | Exiv2 Image File out-of-bounds read
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability was found in Exiv2 up to 0.27.4 (Image Processing Software). It has been rated as problematic. This issue affects some unknown processing of the component Image File Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-125. Impacted is confidentiality, and availability. The summary by CVE is:
Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.4 and earlier. The out-of-bounds read is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.5.
The weakness was released 08/10/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-37620 since 07/29/2021. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 0.27.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0
Status: Not defined
0-Day Time: 🔒
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