PT-2023-21345 · Unknown+4 · Tcprewrite+4

Marsman1996 · Published 2023-03-16 · Updated 2025-01-28 · CVE-2023-27788

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TCPrewrite version 4.4.3

Description An issue in TCPrewrite allows a remote attacker to cause a denial of service via the ports2PORT function at the "portmap.c:69" endpoint.

Recommendations For TCPrewrite version 4.4.3, consider disabling the ports2PORT function as a temporary workaround until a patch is available. Restrict access to the "portmap.c:69" endpoint to minimize the risk of exploitation.

Exploit

Fix

DoS

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

ALT-PU-2023-6893

CVE-2023-27788

MGASA-2023-0188

USN-7231-1

Affected Products

Alt Linux

Debian

Linuxmint

Tcprewrite

Ubuntu

References · 27

• 🔥 https://github.com/appneta/tcpreplay/issues/786 · Exploit
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UK2BRH3W3ECF5FDXP6QM3ZEDTHIOE4M5 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2023-0188 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2023-0188.html · Security Note
• https://cve.org/CVERecord?id=CVE-2023-27788 · Security Note
• https://ubuntu.com/security/CVE-2023-27789 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/UE3J4LKYFNKPKNSLDQK4JG36THQMQH3V · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-27787 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-27788 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3ER3YTFR3XIDMYEB7LMFWFTPVQALBHC · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-27783 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-27788 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UE3J4LKYFNKPKNSLDQK4JG36THQMQH3V · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-27788 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7231-1 · Vendor Advisory