CVE-2021-45703 : An issue was discovered in the tectonic_xdv crate before 0.1.12 for Rust. XdvPar

An issue was discovered in the tectonic_xdv crate before 0.1.12 for Rust. XdvParser::<T>::process may read from uninitialized memory locations.

Published 2021-12-27 00:15:10

Updated 2022-01-06 19:42:32

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45703

Tectonic Xdv Project » Tectonic Xdv » For Rust
Versions before (<) 0.1.12
cpe:2.3:a:tectonic_xdv_project:tectonic_xdv:*:*:*:*:*:rust:*:*
Matching versions

EPSS FAQ

0.24%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 62 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-908 Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.

Assigned by: nvd@nist.gov (Primary)

https://rustsec.org/advisories/RUSTSEC-2021-0112.html

RUSTSEC-2021-0112: tectonic_xdv: `Read` on uninitialized buffer may cause UB ('tectonic_xdv' crate) › RustSec Advisory Database
Third Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tectonic_xdv/RUSTSEC-2021-0112.md

Third Party Advisory

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