PT-2021-24317 · Mdb Tools · Mdb Tools

Published 2021-12-31 · Updated 2022-12-09 · CVE-2021-45927

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: MDB Tools (aka mdbtools) version 0.9.2

Description: The issue is a stack-based buffer overflow in the mdb numeric to string function, which is called from mdb xfer bound data and mdb attempt bind. This overflow occurs at the memory address 0x7ffd6e029ee0.

Recommendations: For MDB Tools (aka mdbtools) version 0.9.2, consider disabling the mdb numeric to string function as a temporary workaround until a patch is available. Restrict access to the functions mdb xfer bound data and mdb attempt bind to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-45927

Affected Products

Mdb Tools

References · 11

• 🔥 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mdbtools/OSV-2021-1003.yaml · Exploit
• 🔥 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36187 · Exploit
• https://github.com/mdbtools/mdbtools/commit/373b7ff4c4daf887269c078407cb1338942c4ea6 · Patch
• https://osv.dev/vulnerability/CVE-2021-45927 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-45927 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-45927 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-45927 · Security Note
• https://security.gentoo.org/glsa/202208-12 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45927 · Security Note
• https://t.me/cibsecurity/34812 · Telegram Post
• https://t.me/cvenotify/25296 · Telegram Post