CVE-2021-31292
Published: 26 July 2021
An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.
Notes
Author | Note |
---|---|
mdeslaur | This is the same commit that was used as part of the fix for CVE-2021-29458, so not-affected |
Priority
Status
Package | Release | Status |
---|---|---|
exiv2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
focal |
Not vulnerable
|
|
hirsute |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
impish |
Not vulnerable
|
|
Patches: upstream: https://github.com/Exiv2/exiv2/pull/1539/commits/9b7a19f957af53304655ed1efe32253a1b11a8d0 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |