Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-25660 |
CWE-ID | CWE-288 |
Exploitation vector | Local network |
Public exploit | N/A |
Vulnerable software Subscribe |
Red Hat Ceph Storage Server applications / File servers (FTP/HTTP) ceph (Red Hat package) Operating systems & Components / Operating system package or component |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU48684
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25660
CWE-ID:
CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists with in the implementation of the Cephx authentication protocol. A remote attacker with access to the Ceph cluster network can intercept authentication packets and perform replay attacks in Nautilus.
The vulnerability affects msgr2 protocol only and is basically a reintroduction of previously patched vulnerability #VU14542.
Install updates from vendor's website.
Red Hat Ceph Storage: 4.0
ceph (Red Hat package): 14.2.8-111.el7cp - 14.2.8-111.el8cp
External linkshttp://access.redhat.com/errata/RHSA-2020:5325
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.