CVE-2015-4054

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.38% Top 15%
Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573 third party advisory patch
https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5 third party advisory patch
https://pgbouncer.github.io/changelog.html#pgbouncer-15x third party advisory release notes
http://www.securityfocus.com/bid/74751 vdb entry third party advisory
https://github.com/pgbouncer/pgbouncer/issues/42 third party advisory exploit
http://www.openwall.com/lists/oss-security/2015/05/22/5 third party advisory mailing list
https://security.gentoo.org/glsa/201701-24 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-4054?
CVE-2015-4054 has been scored as a high severity vulnerability.
How to fix CVE-2015-4054?
To fix CVE-2015-4054, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4054 being actively exploited in the wild?
It is possible that CVE-2015-4054 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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