CVE-2023-45539

HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
mitreCNA
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CVEADP
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CISA-ADPADP
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
VendorProductVersion
haproxyhaproxy
𝑥
< 2.8.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
haproxy
bullseye (security)
2.2.9-2+deb11u6
fixed
bullseye
2.2.9-2+deb11u6
fixed
bookworm
2.6.12-1+deb12u1
fixed
bookworm (security)
2.6.12-1+deb12u1
fixed
sid
3.0.7-1
fixed
trixie
3.0.7-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
haproxy
noble
not-affected
mantic
not-affected
lunar
Fixed 2.6.9-1ubuntu1.2
released
jammy
Fixed 2.4.22-0ubuntu0.22.04.3
released
focal
Fixed 2.0.31-0ubuntu0.3
released
bionic
Fixed 1.8.8-1ubuntu0.13+esm2
released
xenial
Fixed 1.6.3-1ubuntu0.3+esm1
released
trusty
ignored
Common Weakness Enumeration
References
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6
https://lists.debian.org/debian-lts-announce/2023/12/msg00010.html
https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html
https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6
https://lists.debian.org/debian-lts-announce/2023/12/msg00010.html
https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html
https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html