Vulnerability Monitor

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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.

Published

2017-05-23T04:29:00.383

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	pgbouncer	pgbouncer	≤ 1.5.4	Yes

References

http://www.openwall.com/lists/oss-security/2015/05/22/5 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/74751 Third Party Advisory, VDB Entry ([email protected])
https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5 Patch, Third Party Advisory ([email protected])
https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573 Patch, Third Party Advisory ([email protected])
https://github.com/pgbouncer/pgbouncer/issues/42 Exploit, Third Party Advisory ([email protected])
https://pgbouncer.github.io/changelog.html#pgbouncer-15x Release Notes, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201701-24 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/05/22/5 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/74751 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/pgbouncer/pgbouncer/issues/42 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://pgbouncer.github.io/changelog.html#pgbouncer-15x Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201701-24 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)