Vulnerability Monitor

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CVE-2023-5215

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.

Published

2023-09-28T14:15:26.117

Last Modified

2024-11-21T08:41:18.790

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

Weaknesses

Type: Secondary
CWE-241
Type: Primary
CWE-252

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	redhat	libnbd	< 1.18.0	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	redhat	enterprise_linux	9.0	Yes

References

https://access.redhat.com/errata/RHSA-2024:2204 ([email protected])
https://access.redhat.com/security/cve/CVE-2023-5215 Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2241041 Issue Tracking, Vendor Advisory ([email protected])
https://listman.redhat.com/archives/libguestfs/2023-September/032635.html Exploit, Patch ([email protected])
https://access.redhat.com/errata/RHSA-2024:2204 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/CVE-2023-5215 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=2241041 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://listman.redhat.com/archives/libguestfs/2023-September/032635.html Exploit, Patch (af854a3a-2127-422b-91ae-364da2661108)