Description
HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:LConfidentialityLow
I:LIntegrityLow
A:NAvailabilityNone
Weaknesses
Affected Products
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
haproxy
oss-project·FRaka haproxy enterprise, aloha appliance
ООО «Ред Софт»
commercial·RUaka red soft
АО «НТЦ ИТ РОСА»
commercial·RU
АО «ИВК»
commercial·RUaka ivk
Willy Terreau
individual-dev
and 1 more affected products View all →
Exploitability
1 exploit source identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Collection
References
https://cwe.mitre.org/data/definitions/436.html
cwe.mitre.org
https://github.com/haproxy/haproxy/commit/6492f1f29d738457ea9f382aca54537f35f9d856
github.com
https://github.com/haproxy/haproxy/issues/2237
github.com
and 15 more references View all →
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