Vulnerability Report

CVE-2015-4054

Title: Pgbouncer Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2015-4054.

CWE Category CWE-476

Published Date May 23, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 7.5 CVSS v3.0

Exploit Probability (EPSS)

3.38%

Vulnerability Summary

CVE-2015-4054: PgBouncer before 1.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by sending a password packet before a startup packet.

Impacted Vendors

pgbouncer_project 1

pgbouncer 1

Reference Links

http://www.openwall.com/lists/oss-security/2015/05/22/5 http://www.securityfocus.com/bid/74751 https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5 https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573 https://github.com/pgbouncer/pgbouncer/issues/42 https://pgbouncer.github.io/changelog.html#pgbouncer-15x https://security.gentoo.org/glsa/201701-24 http://www.openwall.com/lists/oss-security/2015/05/22/5 http://www.securityfocus.com/bid/74751 https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5 https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573 https://github.com/pgbouncer/pgbouncer/issues/42 https://pgbouncer.github.io/changelog.html#pgbouncer-15x https://security.gentoo.org/glsa/201701-24

CVSS v3.0

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns