CVE Vulnerabilities

CVE-2021-27815

NULL Pointer Dereference

Published: Apr 14, 2021 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
5.5 LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Ubuntu
LOW
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NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
ExifLibexif_project*0.6.22 (including)
ExifUbuntudevel*
ExifUbuntuesm-apps/jammy*
ExifUbuntuesm-apps/noble*
ExifUbuntugroovy*
ExifUbuntuhirsute*
ExifUbuntuimpish*
ExifUbuntujammy*
ExifUbuntukinetic*
ExifUbuntulunar*
ExifUbuntumantic*
ExifUbuntunoble*
ExifUbuntuoracular*
ExifUbuntuplucky*
ExifUbuntuquesting*
ExifUbuntutrusty*

Potential Mitigations

References