Unix symbolic link (symlink) following in Linux kernel



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-1999-1352
CWE-ID CWE-61
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Unix symbolic link (symlink) following

EUVDB-ID: #VU100017

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-1999-1352

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

Exploit availability: No

Description

The vulnerability allows a local user to read and manipulate data.

mknod in Linux 2.2 follows symbolic links, which could allow local users to overwrite files or gain privileges.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3 External links

https://marc.info/?l=bugtraq&m=93855134409747&w=2


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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