PT-2021-19400 · Vector 35 · Binary Ninja

Mat Powell · Published 2021-06-10 · Updated 2021-07-01 · CVE-2021-31516

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Vector 35 Binary Ninja version 2.3.2660

Description This issue allows remote attackers to execute arbitrary code on affected installations. User interaction is required, where the target must visit a malicious page or open a malicious file. The flaw exists within the parsing of BNDB files due to the lack of validating the existence of an object prior to performing operations on it. An attacker can leverage this to execute code in the context of the current process.

Recommendations For Vector 35 Binary Ninja version 2.3.2660, as a temporary workaround, consider restricting the parsing of BNDB files until a patch is available. Avoid opening malicious files or visiting malicious pages to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-31516

ZDI-21-677

Affected Products

Binary Ninja

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-31516 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-677 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31516 · Vendor Advisory
• https://binary.ninja/2021/06/03/2.4-release.html#security-advisories · Vendor Advisory
• https://t.me/cvenotify/16831 · Telegram Post