PT-2022-21950 · Unknown · Dproxy-Nexgen

Haya Shulman + 2 · Published 2022-08-15 · Updated 2022-08-17 · CVE-2022-33988

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:H/A:N

Name of the Vulnerable Software and Affected Versions dproxy-nexgen (affected versions not specified)

Description The issue allows attackers to conduct DNS cache-poisoning attacks because the DNS transaction id (TXID) value from client queries is re-used. This enables attackers, who can send queries to the resolver, to exploit the known TXID value.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

HTTP Request/Response Smuggling

Weakness Enumeration

CWE-444

Related Identifiers

CVE-2022-33988

Affected Products

Dproxy-Nexgen

References · 7

• 🔥 https://openwall.com/lists/oss-security/2022/08/14/3 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-33988 · Security Note
• https://t.me/cvenotify/34668 · Telegram Post
• https://t.me/cibsecurity/48154 · Telegram Post
• https://t.me/cvenotify/34810 · Telegram Post
• https://sourceforge.net/projects/dproxy · Note
• https://usenix.org/conference/usenixsecurity22/presentation/jeitner · Note