CVE-1999-0688: Buffer overflows in HP Software Distributor (SD) for HPUX 10.x and 11.x.
Buffer overflows in HP Software Distributor (SD) for HPUX 10.x and 11.x.
AI Analysis
Technical Summary
CVE-1999-0688 is a medium severity vulnerability involving buffer overflows in the HP Software Distributor (SD) component for HP-UX operating systems versions 10.24 and 11.00. HP Software Distributor is a tool used for software installation and patch management on HP-UX systems. The buffer overflow occurs when the software distributor improperly handles input data, allowing an attacker with local access to overflow a buffer and potentially execute arbitrary code or cause a denial of service. The vulnerability requires local access (AV:L) and low attack complexity (AC:L), but no authentication (Au:N) is needed, indicating that any local user can exploit it without credentials. The impact affects confidentiality, integrity, and availability (C:P/I:P/A:P), meaning an attacker could read sensitive data, modify system state, or crash the system. No patches are available for this vulnerability, and there are no known exploits in the wild. Given the age of the vulnerability (published in 1999) and the specific affected versions, it primarily concerns legacy HP-UX systems still in operation. The lack of patch availability suggests that mitigation must rely on system hardening, access controls, or upgrading to newer, unaffected versions of HP-UX or alternative software distribution tools.
Potential Impact
For European organizations that still operate legacy HP-UX 10.24 or 11.00 systems using HP Software Distributor, this vulnerability poses a risk of local privilege escalation or denial of service. Compromise could lead to unauthorized disclosure of sensitive information, unauthorized modification of system files or configurations, and disruption of critical services. This is particularly impactful for sectors relying on legacy HP-UX infrastructure such as telecommunications, manufacturing, or financial institutions that may have embedded systems or specialized applications running on these platforms. The requirement for local access limits remote exploitation, but insider threats or attackers who gain initial footholds via other means could leverage this vulnerability to escalate privileges or disrupt operations. The absence of patches increases the risk profile, emphasizing the need for compensating controls. Overall, the impact is moderate but significant in environments where HP-UX legacy systems remain critical.
Mitigation Recommendations
1. Restrict local access strictly to trusted administrators and users to minimize the risk of exploitation. 2. Implement strict user privilege separation and use role-based access controls to limit the ability of users to execute or interact with HP Software Distributor. 3. Monitor system logs and user activities for unusual behavior indicative of exploitation attempts. 4. Where possible, upgrade HP-UX systems to supported versions that do not contain this vulnerability or migrate to alternative supported platforms. 5. Employ application whitelisting or integrity monitoring tools to detect unauthorized changes to the HP Software Distributor binaries or related components. 6. Use network segmentation to isolate legacy HP-UX systems from less trusted network zones to reduce the risk of attackers gaining local access. 7. Consider disabling or removing HP Software Distributor if it is not actively used to eliminate the attack surface. 8. Maintain up-to-date backups and incident response plans tailored to legacy system environments.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands
CVE-1999-0688: Buffer overflows in HP Software Distributor (SD) for HPUX 10.x and 11.x.
Description
Buffer overflows in HP Software Distributor (SD) for HPUX 10.x and 11.x.
AI-Powered Analysis
Technical Analysis
CVE-1999-0688 is a medium severity vulnerability involving buffer overflows in the HP Software Distributor (SD) component for HP-UX operating systems versions 10.24 and 11.00. HP Software Distributor is a tool used for software installation and patch management on HP-UX systems. The buffer overflow occurs when the software distributor improperly handles input data, allowing an attacker with local access to overflow a buffer and potentially execute arbitrary code or cause a denial of service. The vulnerability requires local access (AV:L) and low attack complexity (AC:L), but no authentication (Au:N) is needed, indicating that any local user can exploit it without credentials. The impact affects confidentiality, integrity, and availability (C:P/I:P/A:P), meaning an attacker could read sensitive data, modify system state, or crash the system. No patches are available for this vulnerability, and there are no known exploits in the wild. Given the age of the vulnerability (published in 1999) and the specific affected versions, it primarily concerns legacy HP-UX systems still in operation. The lack of patch availability suggests that mitigation must rely on system hardening, access controls, or upgrading to newer, unaffected versions of HP-UX or alternative software distribution tools.
Potential Impact
For European organizations that still operate legacy HP-UX 10.24 or 11.00 systems using HP Software Distributor, this vulnerability poses a risk of local privilege escalation or denial of service. Compromise could lead to unauthorized disclosure of sensitive information, unauthorized modification of system files or configurations, and disruption of critical services. This is particularly impactful for sectors relying on legacy HP-UX infrastructure such as telecommunications, manufacturing, or financial institutions that may have embedded systems or specialized applications running on these platforms. The requirement for local access limits remote exploitation, but insider threats or attackers who gain initial footholds via other means could leverage this vulnerability to escalate privileges or disrupt operations. The absence of patches increases the risk profile, emphasizing the need for compensating controls. Overall, the impact is moderate but significant in environments where HP-UX legacy systems remain critical.
Mitigation Recommendations
1. Restrict local access strictly to trusted administrators and users to minimize the risk of exploitation. 2. Implement strict user privilege separation and use role-based access controls to limit the ability of users to execute or interact with HP Software Distributor. 3. Monitor system logs and user activities for unusual behavior indicative of exploitation attempts. 4. Where possible, upgrade HP-UX systems to supported versions that do not contain this vulnerability or migrate to alternative supported platforms. 5. Employ application whitelisting or integrity monitoring tools to detect unauthorized changes to the HP Software Distributor binaries or related components. 6. Use network segmentation to isolate legacy HP-UX systems from less trusted network zones to reduce the risk of attackers gaining local access. 7. Consider disabling or removing HP Software Distributor if it is not actively used to eliminate the attack surface. 8. Maintain up-to-date backups and incident response plans tailored to legacy system environments.
Affected Countries
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Threat ID: 682ca32cb6fd31d6ed7df0ba
Added to database: 5/20/2025, 3:43:40 PM
Last enriched: 7/1/2025, 4:57:06 PM
Last updated: 8/15/2025, 5:25:13 PM
Views: 11
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