OpenSSH < 2.9.9 / 2.9p2 Symbolic Link 'cookies' File Removal

low Nessus Plugin ID 44071

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Synopsis

Local attackers may be able to delete arbitrary files.

Description

According to the banner, OpenSSH earlier than 2.9.9 / 2.9p2 is running on the remote host. Such versions contain an arbitrary file deletion vulnerability. Due to insecure handling of temporary files, a local attacker can cause sshd to delete any file it can access named 'cookies'.

Solution

Upgrade to OpenSSH 2.9.9 / 2.9p2 or later.

See Also

http://www.openssh.com/txt/release-2.9.9

http://www.openssh.com/txt/release-2.9p2

https://www.openssh.com/security.html

Plugin Details

Severity: Low

ID: 44071

File Name: openssh_29p2.nasl

Version: 1.5

Type: remote

Family: Misc.

Published: 10/4/2011

Updated: 11/15/2018

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

Vector: AV:L/AC:M/Au:N/C:N/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:openbsd:openssh

Exploit Ease: No known exploits are available

Patch Publication Date: 9/26/2001

Vulnerability Publication Date: 6/4/2001

Reference Information

CVE: CVE-2001-0529

BID: 2825