CVE-2023-5215
Libnbd: crash or misbehaviour when nbd server returns an unexpected block size
Description
A flaw was found in libnbd. A server can reply with a block size larger than 2^63 (the NBD spec states the size is a 64-bit unsigned value). This issue could lead to an application crash or other unintended behavior for NBD clients that doesn't treat the return value of the nbd_get_size() function correctly.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:AAttack VectorAdjacent
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat Inc.
commercial·USaka Red Hat, redhat
АО «НТЦ ИТ РОСА»
commercial·RU
ООО «Ред Софт»
commercial·RUaka red soft
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
and 3 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
References
https://access.redhat.com/errata/RHSA-2024:2204
access.redhat.com
https://access.redhat.com/security/cve/CVE-2023-5215
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2241041
bugzilla.redhat.com
and 10 more references View all →
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