Quantum Secular Labs / Blog / Advisories
CVE-2003-0959: Multiple integer overflows in the 32bit emulation for AMD64 architectures in Linux 2.4 kernel before 2.4.21…
CVE-2003-0959 has a CVSS v2 base score of 10.0 (the maximum on that scale). Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
Multiple integer overflows in the 32bit emulation for AMD64 architectures in Linux 2.4 kernel before 2.4.21 allows attackers to cause a denial of service or gain root privileges via unspecified vectors that trigger copy_from_user function calls with improper length arguments.
Severity breakdown
CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C
- Access vector: Network. Exploitable remotely over the network.
- Access complexity: Low. No special conditions are required.
- Authentication: None. No authentication is needed.
- Confidentiality impact: Complete. Total information disclosure.
- Integrity impact: Complete. Total loss of integrity.
- Availability impact: Complete. Total shutdown of the component.