Multiple vulnerabilities in Proofpoint Threat Response / Threat Response Auto-Pull

Published: 2023-06-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-2820 CVE-2023-2819
CWE-ID	CWE-326 CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Threat Response Server applications / IDS/IPS systems, Firewalls and proxy servers Threat Response Auto-Pull Server applications / IDS/IPS systems, Firewalls and proxy servers
Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Inadequate Encryption Strength

EUVDB-ID: #VU77442

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2820

CWE-ID: CWE-326 - Inadequate Encryption Strength

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to usage of weak encryption in the faye endpoint. A remote attacker with ability to intercept traffic can decrypt it and obtain credentials to integrated services.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Threat Response: before 5.10.0

Threat Response Auto-Pull: before 5.10.0

External links

http://www.proofpoint.com/security/security-advisories/pfpt-sa-2023-0003

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Stored cross-site scripting

EUVDB-ID: #VU77443

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2819

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')