Configuration in Linux kernel

1) Configuration

EUVDB-ID: #VU95778

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-1999-0656

CWE-ID: CWE-16 - Configuration

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The ugidd RPC interface, by design, allows remote attackers to enumerate valid usernames by specifying arbitrary UIDs that ugidd maps to local user and group names. This Common Vulnerabilities and Exposures (CVE) entry is a configuration issue and not a software flaw. As such, it does not fit in the CVE software flaw list. The Common Vulnerability Scoring System (CVSS) base score for this CVE entry has been set to 0 because this CVE entry has no impact as a software flaw according to CVSS. This does not mean that the configuration issue is not important and there may be security implications relative to computers having this configuration.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

External links

http://ca.com/au/securityadvisor/vulninfo/Vuln.aspx?ID=1638
http://exchange.xforce.ibmcloud.com/vulnerabilities/348

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.