Race condition in OpenSSH

1) Race condition

EUVDB-ID: #VU70396

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2003-1562

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to a race condition. A remote attacker can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenSSH: 3.0 - 3.6p1

CPE2.3

• cpe:2.3:a:openssh:openssh:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:openssh:openssh:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:openssh:openssh:3.0.1p1:*:*:*:*:*:*:*

External links

https://www.securityfocus.com/archive/1/320153
https://www.securityfocus.com/archive/1/320302
https://www.securityfocus.com/archive/1/320440
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=248747
https://www.securityfocus.com/bid/7482

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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