Use of Uninitialized Resource in truetype · CVE-2021-28030 · GitHub Advisory Database · GitHub

Use of Uninitialized Resource in truetype

High severity GitHub Reviewed Published Aug 25, 2021 to the GitHub Advisory Database • Updated Jan 11, 2023

Package

truetype (Rust)

Affected versions

< 0.30.1

Patched versions

0.30.1

Description

An issue was discovered in the truetype crate before 0.30.1 for Rust. Attackers can read the contents of uninitialized memory locations via a user-provided Read operation within Tape::take_bytes.

References

Reviewed Aug 19, 2021

Published to the GitHub Advisory Database Aug 25, 2021

Last updated Jan 11, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N