SB2001120601 - Improper authorization in Linux kernel
Published: December 6, 2001
Security Bulletin ID
SB2001120601
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper authorization (CVE-ID: CVE-2001-0851)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
Linux kernel 2.0, 2.2 and 2.4 with syncookies enabled allows remote attackers to bypass firewall rules by brute force guessing the cookie.
Remediation
Install update from vendor's website.
References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000432
- http://www.caldera.com/support/security/advisories/CSSA-2001-038.0.txt
- http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-082.php3
- http://www.linuxsecurity.com/advisories/other_advisory-1683.html
- http://www.novell.com/linux/security/advisories/2001_039_kernel2_txt.html
- http://www.redhat.com/support/errata/RHSA-2001-142.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/7461