Vulnerability identifier: #VU95771

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2005-0177

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

nls_ascii.c in Linux before 2.6.8.1 uses an incorrect table size, which allows attackers to cause a denial of service (kernel crash) via a buffer overflow.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel:

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External links
http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
http://linux.bkbits.net:8080/linux-2.6/cset@41e2bfbeOiXFga62XrBhzm7Kv9QDmQ
http://marc.info/?l=full-disclosure&m=110846102231365&w=2
http://www.redhat.com/support/errata/RHSA-2005-092.html
http://www.securityfocus.com/bid/12598
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10298

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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.