CVE-1999-0050: HP HP-UX buffer overflow in newgrp

CVE-1999-0050 · Severity: high · CVSS 7.2 · Published 1996-12-01

A security vulnerability exists in the HP-UX operating system's utility used for switching user group identities. A local attacker can exploit this flaw to gain unauthorized administrative control over the system. This could lead to a complete compromise of the server, including the theft of sensitive data or the disruption of business operations.

Technologies: Hp-Ux. Vendors: Hp.

Quick answers

Is CVE-1999-0050 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-1999-0050 being exploited in the wild.
How severe is CVE-1999-0050?
High severity, with a CVSS score of 7.2, published 1 December 1996.
Which products and versions are affected?
HP HP-UX.
Is there a fix for CVE-1999-0050?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-1999-0050 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-1999-0050?
Check whether you run Hp-Ux. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A buffer overflow vulnerability exists within the 'newgrp' executable in HP-UX. The 'newgrp' utility is typically a setuid-root program used to change a user's current group ID during a login session. By providing specially crafted, overly long input to the program, a local attacker can trigger a memory corruption event. Because the utility runs with elevated privileges, successful exploitation allows the attacker to execute arbitrary code with root-level permissions.

Affected products

  • HP HP-UX

Timeline

  • 1996-12-01: disclosed

References

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