VulnerabilityModified
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.
HIGH 7.5EPSS 4.13%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.13% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- pgbouncer/pgbouncer
- Source
- security@debian.org
References
- http://www.openwall.com/lists/oss-security/2015/05/22/5Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/74751Third Party Advisory, VDB Entry
- https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5Patch, Third Party Advisory
- https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573Patch, Third Party Advisory
- https://github.com/pgbouncer/pgbouncer/issues/42Exploit, Third Party Advisory
- https://pgbouncer.github.io/changelog.html#pgbouncer-15xRelease Notes, Third Party Advisory
- https://security.gentoo.org/glsa/201701-24Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/05/22/5Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/74751Third Party Advisory, VDB Entry
- https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5Patch, Third Party Advisory
- https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573Patch, Third Party Advisory
- https://github.com/pgbouncer/pgbouncer/issues/42Exploit, Third Party Advisory
- https://pgbouncer.github.io/changelog.html#pgbouncer-15xRelease Notes, Third Party Advisory
- https://security.gentoo.org/glsa/201701-24Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.