CVE-2023-2868
Barracuda Networks ESG Appliance Improper Input Va - [Actively Exploited]
Description
A remote command injection vulnerability exists in the Barracuda Email Security Gateway (appliance form factor only) product effecting versions 5.1.3.001-9.2.0.006. The vulnerability arises out of a failure to comprehensively sanitize the processing of .tar file (tape archives). The vulnerability stems from incomplete input validation of a user-supplied .tar file as it pertains to the names of the files contained within the archive. As a consequence, a remote attacker can specifically format these file names in a particular manner that will result in remotely executing a system command through Perl's qx operator with the privileges of the Email Security Gateway product. This issue was fixed as part of BNSF-36456 patch. This patch was automatically applied to all customer appliances.
INFO
Published Date :
May 24, 2023, 7:15 p.m.
Last Modified :
June 1, 2023, 8:14 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.
Apply updates per vendor instructions.
https://status.barracuda.com/incidents/34kx82j5n4q9
Public PoC/Exploit Available at Github
CVE-2023-2868 has a 10 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2023-2868
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-2868.
| URL | Resource |
|---|---|
| https://status.barracuda.com/incidents/34kx82j5n4q9 | Vendor Advisory |
| https://www.barracuda.com/company/legal/esg-vulnerability | Mitigation Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Repository of IOCs that can be pulled into tools.
Python PowerShell YARA
None
PoC. Severity critical.
Shell Ruby Python PHP
PoC. Severity critical.
cve-2023-1671 cve-2023-27350 cve-2023-2868 cve-2023-3519 cve-2023-34960 exploit poc cve-2023-28121 cve-2023-28771 cve-2023-35885 cve-2023-38646 cve-2023-34124 citrix sonicwall cve-2023-4596 cve-2023-26469 cve-2023-23333 ivanti cve-2023-40044 cve-2023-22515
Shell Python Ruby PHP
None
None
Ruby
A list of dorks for the Netlas.io search engine, with which you can find millions of objects in the boundless IoE. Contains queries to search for IoT elements, protocols, communication tools, remote access, and more. Over time, the list will grow.
osint penetration-testing security-tools
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
For the first time, a vulnerability scanning program for Android using Python libraries python3, kivy, kivymd, requests, android, jnius, kivmob, pyjnius, argparse, pwn, bs4, kivyauth
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
security cve exploit poc vulnerability
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-2868 vulnerability anywhere in the article.
-
TheCyberThrone
Top 15 Most Exploited Vulnerabilities in 2023
In a joint cybersecurity advisory, the security agencies across the world have identified the most exploited vulnerabilities of 2023. This advisory, coauthored by the Cybersecurity and Infrastructure ... Read more
-
The Register
Five Eyes infosec agencies list 2024's most exploited software flaws
The cyber security agencies of the UK, US, Canada, Australia, and New Zealand have issued their annual list of the 15 most exploited vulnerabilities, and warned that attacks on zero-day exploits have ... Read more
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Cybersecurity News
2023’s Most Exploited Vulnerabilities: A Global Cybersecurity Advisory
In a joint cybersecurity advisory, the top cybersecurity agencies from the United States, Australia, Canada, New Zealand, and the United Kingdom have identified the most exploited vulnerabilities of 2 ... Read more
-
The Cyber Express
Top 15 Exploited Cyber Vulnerabilities Revealed: Five Eyes Alliance Urges Immediate Patching
The FBI, NSA, and allied agencies within the Five Eyes intelligence network have published a list of the 15 most exploited vulnerabilities from 2023. The cybersecurity advisory, a collaborative effort ... Read more
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BleepingComputer
FBI, CISA, and NSA reveal most exploited vulnerabilities of 2023
The FBI, the NSA, and cybersecurity authorities of the Five Eyes intelligence alliance have released today a list of the top 15 routinely exploited vulnerabilities throughout last year. A joint advis ... Read more
-
security.nl
VS publiceert overzicht van meest misbruikte kwetsbaarheden in 2023
De Amerikaanse autoriteiten hebben samen met cyberagentschappen uit Australië, Canada, Nieuw-Zeeland en het Verenigd Koninkrijk een overzicht van de meest misbruikte kwetsbaarheden in 2023 opgesteld. ... Read more
The following table lists the changes that have been made to the
CVE-2023-2868 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jun. 01, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://status.barracuda.com/incidents/34kx82j5n4q9 No Types Assigned https://status.barracuda.com/incidents/34kx82j5n4q9 Vendor Advisory Changed Reference Type https://www.barracuda.com/company/legal/esg-vulnerability No Types Assigned https://www.barracuda.com/company/legal/esg-vulnerability Mitigation, Vendor Advisory Added CWE NIST CWE-77 Added CPE Configuration AND OR *cpe:2.3:o:barracuda:email_security_gateway_300_firmware:*:*:*:*:*:*:*:* versions from (including) 5.1.3.001 up to (including) 9.2.0.006 OR cpe:2.3:h:barracuda:email_security_gateway_300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:barracuda:email_security_gateway_400_firmware:*:*:*:*:*:*:*:* versions from (including) 5.1.3.001 up to (including) 9.2.0.006 OR cpe:2.3:h:barracuda:email_security_gateway_400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:barracuda:email_security_gateway_600_firmware:*:*:*:*:*:*:*:* versions from (including) 5.1.3.001 up to (including) 9.2.0.006 OR cpe:2.3:h:barracuda:email_security_gateway_600:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:barracuda:email_security_gateway_800_firmware:*:*:*:*:*:*:*:* versions from (including) 5.1.3.001 up to (including) 9.2.0.006 OR cpe:2.3:h:barracuda:email_security_gateway_800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:barracuda:email_security_gateway_900_firmware:*:*:*:*:*:*:*:* versions from (including) 5.1.3.001 up to (including) 9.2.0.006 OR cpe:2.3:h:barracuda:email_security_gateway_900:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-2868 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-2868
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
7.76 }} -0.12%
score
0.94391
percentile