CVE-2021-32815
Published: 9 August 2021
Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The assertion failure is triggered when Exiv2 is used to modify 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. Note that this bug is only triggered when modifying the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as `fi`. ### Patches The bug is fixed in version v0.27.5. ### References Regression test and bug fix: #1739 ### For more information Please see our [security policy](https://github.com/Exiv2/exiv2/security/policy) for information about Exiv2 security.
Priority
Status
Package | Release | Status |
---|---|---|
exiv2 Launchpad, Ubuntu, Debian |
bionic |
Released
(0.25-3.1ubuntu0.18.04.11)
|
focal |
Released
(0.27.2-8ubuntu2.6)
|
|
hirsute |
Released
(0.27.3-3ubuntu1.5)
|
|
impish |
Released
(0.27.3-3ubuntu4)
|
|
jammy |
Released
(0.27.3-3ubuntu4)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Released
(0.25-2.1ubuntu16.04.7+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
Patches: upstream: https://github.com/Exiv2/exiv2/pull/1739/commits/0c17eb33c0a7fad1796ce23b8bbc32067f511aed upstream: https://github.com/Exiv2/exiv2/pull/1739/commits/cdda410e168e51438ca2ac77d9a220a32cf71d34 upstream: https://github.com/Exiv2/exiv2/pull/1739/commits/04466168b87dedff4ec09c09e9c23f2334ba1734 upstream: https://github.com/Exiv2/exiv2/pull/1739/commits/c79d83f25fdd09218697d482211a61db87ce5333 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |