Home/CVE/Buffer overflow in Xt library of X Windowing System allows local users to execute commands with root privileges.
CVE

CVE-1999-0040

Buffer overflow in Xt library of X Windowing System allows local users to execute commands with root privileges.

Buffer overflow in Xt library of X Windowing System allows local users to execute commands with root privileges.

HIGH · CVSS 7.2 EPSS 0.00181
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

10
sgi irixall versions
bsdi bsd osall versions
freebsdall versions
hp hp-uxall versions
ibm aixall versions
nec asl ux 4800all versions
nec ews-ux vall versions
nec up-ux vall versions
⚠

Public Exploits & PoCs

5
localBSD/OS 2.1 / Caldera UnixWare 7/7.1.0 / FreeBSD 1.1.5.1/2.0 / HP HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.3 / SunOS 4.1.4 - 'libXt Library' Local Overflow / Local Privilege Escalation (1)verified
localBSD/OS 2.1 / Caldera UnixWare 7/7.1.0 / FreeBSD 1.1.5.1/2.0 / HP HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.3 / SunOS 4.1.4 - 'libXt Library' Local Overflow / Local Privilege Escalation (2)verified
localBSD/OS 2.1 / Caldera UnixWare 7/7.1.0 / FreeBSD 1.1.5.1/2.0 / HP HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.3 / SunOS 4.1.4 - 'libXt Library' Local Overflow / Local Privilege Escalation (3)verified
localLibXt - 'XtAppInitialize()' Local Overflow *xtermverified
localXt Library - Local Privilege Escalationverified
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Scoring & Timeline

7.2
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Published to NVD01 May 1997 · 04:00 AM
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0040
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