CVE-2015-4054
PgBouncer NULL Pointer Dereference Remote Denial of Service
Description
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.
INFO
Published Date :
May 23, 2017, 4:29 a.m.
Last Modified :
April 20, 2025, 1:37 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2015-4054.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-4054 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-4054 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2015/05/22/5 Added Reference http://www.securityfocus.com/bid/74751 Added Reference https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5 Added Reference https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573 Added Reference https://github.com/pgbouncer/pgbouncer/issues/42 Added Reference https://pgbouncer.github.io/changelog.html#pgbouncer-15x Added Reference https://security.gentoo.org/glsa/201701-24 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Nov. 03, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:pgbouncer_project:pgbouncer:*:*:*:*:*:*:*:* versions from (including) 1.5.4 OR *cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:* versions from (including) 1.5.4 -
Initial Analysis by [email protected]
Jun. 02, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573 No Types Assigned https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573 Patch, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/201701-24 No Types Assigned https://security.gentoo.org/glsa/201701-24 Third Party Advisory Changed Reference Type https://github.com/pgbouncer/pgbouncer/issues/42 No Types Assigned https://github.com/pgbouncer/pgbouncer/issues/42 Exploit, Third Party Advisory Changed Reference Type https://pgbouncer.github.io/changelog.html#pgbouncer-15x No Types Assigned https://pgbouncer.github.io/changelog.html#pgbouncer-15x Release Notes, Third Party Advisory Changed Reference Type https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5 No Types Assigned https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5 Patch, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/74751 No Types Assigned http://www.securityfocus.com/bid/74751 Third Party Advisory, VDB Entry Changed Reference Type http://www.openwall.com/lists/oss-security/2015/05/22/5 No Types Assigned http://www.openwall.com/lists/oss-security/2015/05/22/5 Mailing List, Third Party Advisory Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:a:pgbouncer_project:pgbouncer:1.5.4:*:*:*:*:*:*:* (and previous)
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-4054 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-2015-4054
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
3.38 }} -2.44%
score
0.86222
percentile