Login Request a demo
High severity · published May 23, 2017
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
7.5
CVSS
4.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PG
Pgbouncer · Pgbouncer
through 1.5.4 · source: NVD
Affected product
PG
Pgbouncer
Pgbouncer
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-4054
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-4054
Mailing List
http://www.openwall.com/lists/oss-security/2015/05/22/5
Third Party Advisory
http://www.securityfocus.com/bid/74751
Patch
https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5
Patch
https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573
Exploit
https://github.com/pgbouncer/pgbouncer/issues/42
Release Notes
https://pgbouncer.github.io/changelog.html#pgbouncer-15x
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