Fedora 37 update for ceph
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-3979 |
| CWE-ID | CWE-327 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Fedora Operating systems & Components / Operating system ceph Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Use of a broken or risky cryptographic algorithm
EUVDB-ID: #VU66551
Risk: Low
CVSSv4.0: 1.7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-3979
CWE-ID:
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Exploit availability: No
DescriptionThe vulnerability allows an attacker to gain access to sensitive information.
The vulnerability exists due to Ceph volume does not the honour osd_dmcrypt_key_size, resulting in the key length is being incorrectly passed in an encryption algorithm to create a non random key. An attacker with physical access to encrypted device can decrypt data and gain access to sensitive information.
Install updates from vendor's repository.
Vulnerable software versionsFedora: 37
ceph: before 17.2.4-1.fc37
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2022-14b272d7f4
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
