CVE-2012-4557

The mod_proxy_ajp module in the Apache HTTP Server 2.2.12 through 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote attackers to cause a denial of service (worker consumption) via an expensive request.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
Base Score
CVSS 3.x
EPSS Score
Percentile: 96%
Affected Products (NVD)
VendorProductVersion
apachehttp_server
2.2.12
apachehttp_server
2.2.13
apachehttp_server
2.2.14
apachehttp_server
2.2.15
apachehttp_server
2.2.16
apachehttp_server
2.2.17
apachehttp_server
2.2.18
apachehttp_server
2.2.19
apachehttp_server
2.2.20
apachehttp_server
2.2.21
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bookworm
2.4.62-1~deb12u1
fixed
bookworm (security)
2.4.62-1~deb12u2
fixed
bullseye
2.4.62-1~deb11u1
fixed
bullseye (security)
2.4.62-1~deb11u2
fixed
sid
2.4.62-3
fixed
trixie
2.4.62-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
apache2
hardy
Fixed 2.2.8-1ubuntu0.25
released
lucid
Fixed 2.2.14-5ubuntu8.11
released
oneiric
Fixed 2.2.20-1ubuntu1.4
released
precise
not-affected
quantal
not-affected
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
httpd
RHEL 6
0:2.2.15-26.el6
fixed
httpd-devel
RHEL 6
0:2.2.15-26.el6
fixed
httpd-manual
RHEL 6
0:2.2.15-26.el6
fixed
httpd-tools
RHEL 6
0:2.2.15-26.el6
fixed
mod
RHEL 6
1:2.2.15-26.el6
fixed
Common Weakness Enumeration
References