PT-2019-16418 · Rust · Serde Cbor

Published 2019-10-03 · Updated 2021-08-25 · CVE-2019-25001

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions serde cbor crate versions prior to 0.10.2

Description An issue in the CBOR deserializer can cause stack consumption via nested semantic tags, allowing an attacker to craft small CBOR documents that cause a stack overflow. The flaw was corrected by limiting the allowed number of nested tags.

Recommendations For versions prior to 0.10.2, update to version 0.10.2 or later to resolve the issue. As a temporary workaround, consider restricting the use of the CBOR deserializer to minimize the risk of exploitation. Avoid using the CBOR deserializer with untrusted input until the issue is resolved.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-25001

GHSA-XR7R-88QV-Q7HM

RUSTSEC-2019-0025

Affected Products

Serde Cbor

References · 15

• 🔥 https://rustsec.org/advisories/RUSTSEC-2019-0025.html · Exploit
• https://ubuntu.com/security/CVE-2019-25001 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-25001 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-xr7r-88qv-q7hm · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-25001 · Security Note
• https://osv.dev/vulnerability/RUSTSEC-2019-0025 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-25001 · Security Note
• https://osv.dev/vulnerability/CVE-2019-25001 · Vendor Advisory
• https://github.com/pyfisch/cbor/pull/153 · Note
• https://github.com/pyfisch/cbor · Note
• https://github.com/pyfisch/cbor/commit/1aec4f9d71855dbfb223fa61ca60260400cc5d5f · Note
• https://github.com/pyfisch/cbor/releases/tag/v0.10.2 · Note
• https://t.me/cvenotify/8019 · Telegram Post
• https://t.me/cibsecurity/21461 · Telegram Post
• https://crates.io/crates/serde_cbor · Note