OpenSUSE Linux update for storeBackup



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-7040
CWE-ID CWE-61
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Opensuse
Operating systems & Components / Operating system

SUSE Linux
Operating systems & Components / Operating system

Vendor SUSE

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) UNIX symbolic link following

EUVDB-ID: #VU24715

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-7040

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue within the storeBackup.pl in storeBackup, as software relies on the /tmp/storeBackup.lock pathname. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.

Mitigation

Update the affected packages.

Vulnerable software versions

Opensuse: 15.1

SUSE Linux: 15

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2020-01/msg00054.html


Q & A

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.



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