MGASA-2020-0426 - Updated libexif packages fix a security vulnerability

Publication date: 15 Nov 2020
URL: https://advisories.mageia.org/MGASA-2020-0426.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-0452

In exif_entry_get_value of exif-entry.c, there is a possible out of bounds 
write due to an integer overflow. This could lead to remote code execution if
a third party app used this library to process remote image data with no
additional execution privileges needed. User interaction is not needed for
exploitation. (CVE-2020-0452)

References:
- https://bugs.mageia.org/show_bug.cgi?id=27592
- https://www.debian.org/security/2020/dsa-4786
- https://ubuntu.com/security/notices/USN-4624-1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0452

SRPMS:
- 7/core/libexif-0.6.22-1.2.mga7

Mageia 2020-0426: libexif security update

In exif_entry_get_value of exif-entry.c, there is a possible out of bounds write due to an integer overflow

Summary

In exif_entry_get_value of exif-entry.c, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution if a third party app used this library to process remote image data with no additional execution privileges needed. User interaction is not needed for exploitation. (CVE-2020-0452)

References

- https://bugs.mageia.org/show_bug.cgi?id=27592

- https://www.debian.org/security/2020/dsa-4786

- https://ubuntu.com/security/notices/USN-4624-1

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0452

Resolution

MGASA-2020-0426 - Updated libexif packages fix a security vulnerability

SRPMS

- 7/core/libexif-0.6.22-1.2.mga7

Severity
Publication date: 15 Nov 2020
URL: https://advisories.mageia.org/MGASA-2020-0426.html
Type: security
CVE: CVE-2020-0452

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