libexif 0.6.21 exif-entry.c exif_entry_get_value divide by zero

Summaryinfo

A vulnerability classified as problematic has been found in libexif 0.6.21. This affects the function exif_entry_get_value of the file exif-entry.c. Performing a manipulation results in divide by zero. This vulnerability is known as CVE-2020-12767. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in libexif 0.6.21. This affects the function exif_entry_get_value of the file exif-entry.c. The manipulation with an unknown input leads to a divide by zero vulnerability. CWE is classifying the issue as CWE-369. The product divides a value by zero. This is going to have an impact on availability. The summary by CVE is:

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

The weakness was published 05/09/2020 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2020-12767 since 05/09/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• libexif

Version

• 0.6.21

Website

• Product: https://github.com/libexif/libexif/

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Entryinfo

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