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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2015/05/22/5	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/74751	Third Party Advisory VDB Entry
https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5	Patch Third Party Advisory
https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573	Patch Third Party Advisory
https://github.com/pgbouncer/pgbouncer/issues/42	Exploit Third Party Advisory
https://pgbouncer.github.io/changelog.html#pgbouncer-15x	Release Notes Third Party Advisory
https://security.gentoo.org/glsa/201701-24	Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/05/22/5	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/74751	Third Party Advisory VDB Entry
https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5	Patch Third Party Advisory
https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573	Patch Third Party Advisory
https://github.com/pgbouncer/pgbouncer/issues/42	Exploit Third Party Advisory
https://pgbouncer.github.io/changelog.html#pgbouncer-15x	Release Notes Third Party Advisory
https://security.gentoo.org/glsa/201701-24	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-05-23 04:29

Updated : 2025-04-20 01:37

NVD link : CVE-2015-4054

Mitre link : CVE-2015-4054

CVE.ORG link : CVE-2015-4054

JSON object : View

Products Affected

pgbouncer

pgbouncer

CWE

CWE-476

NULL Pointer Dereference

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