Vulnerability identifier: #VU107628
Vulnerability risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-497
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
cifs-utils
Server applications /
Other server solutions
Vendor: Distrotech
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exist due to cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments when trying to obtain Kerberos credentials. A local user can gain access to sensitive information.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
cifs-utils: 6.14 - 7.1
External links
https://git.samba.org/?p=cifs-utils.git;a=commit;h=89b679228cc1be9739d54203d28289b03352c174
https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb?id=db363b0a1d9e6b9dc556296f1b1007aeb496a8cf
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.