#VU95771 Memory corruption in Linux kernel - CVE-2005-0177

Vulnerability identifier: #VU95771

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

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: All versions

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External links
https://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
https://linux.bkbits.net:8080/linux-2.6/cset@41e2bfbeOiXFga62XrBhzm7Kv9QDmQ
https://marc.info/?l=full-disclosure&m=110846102231365&w=2
https://www.redhat.com/support/errata/RHSA-2005-092.html
https://www.securityfocus.com/bid/12598
https://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.