PT-2024-2175 · Zeek · Zeek Plugin

Cameron Whitehead · Published 2024-02-20 · Updated 2024-03-12 · CVE-2023-7242

Positive Technologies (AI Summary)

CVSS v2.0

8.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:N/A:C

Name of the Vulnerable Software and Affected Versions Zeek Plugin versions d78dda6 and prior

Description The issue is related to an out-of-bounds read during the analysis of a specific Ethercat packet, which could allow an attacker to crash the Zeek process and leak some information in memory. This could potentially lead to a denial of service or unauthorized access to protected information.

Recommendations For Zeek Plugin versions d78dda6 and prior, consider disabling the affected Ethercat packet analysis functionality until a patch is available. Restrict access to the vulnerable Zeek Plugin to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2024-02089

CVE-2023-7242

Affected Products

Zeek Plugin

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2023-7242 · Security Note
• https://cisa.gov/news-events/ics-advisories/icsa-24-051-02 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-02089 · Security Note
• https://osv.dev/vulnerability/CVE-2023-7242 · Vendor Advisory
• https://github.com/cisagov/icsnpp-ethercat/commit/3bca34cdb62ade94f603d818eb17bcaaff847e5b · Note
• https://t.me/true_secator/5502 · Telegram Post
• https://t.me/cvenotify/73288 · Telegram Post
• https://twitter.com/XynikIT/status/1764989025226461507 · Twitter Post
• https://twitter.com/Action1corp/status/1767606370793042160 · Twitter Post
• https://t.me/cvenotify/72822 · Telegram Post
• https://twitter.com/cracbot/status/1764024205228597686 · Twitter Post