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CVE-2021-21235

Published: 6 January 2021

kamadak-exif is an exif parsing library written in pure Rust. In kamadak-exif version 0.5.2, there is an infinite loop in parsing crafted PNG files. Specifically, reader::read_from_container can cause an infinite loop when a crafted PNG file is given. This is fixed in version 0.5.3. No workaround is available. Applications that do not pass files with the PNG signature to Reader::read_from_container are not affected.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
rust-kamadak-exif
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
bionic Does not exist

focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
trusty Does not exist

upstream Needs triage

xenial Does not exist

jammy Needs triage

impish Ignored
(end of life)
mantic Needs triage

lunar Ignored
(end of life, was needs-triage)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H