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Tool Directory

CVE-2000-0703

HighPublished

suidperl (aka sperl) does not properly cleanse the escape sequence "~!" before calling /bin/mail to send an error report, which allows local users to gain...

Published: Oct 13, 2000
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Aug 7, 2000

Primary CVSS

7.2/ 10High

nvd · CVSS 2.0

AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

1.1%

Low · next 30 days

Percentile: 62.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

suidperl (aka sperl) does not properly cleanse the escape sequence "~!" before calling /bin/mail to send an error report, which allows local users to gain privileges by setting the "interactive" environmental variable and calling suidperl with a filename that contains the escape sequence.

Sources

SUIDPerl 5.00503 - Mail Shell Escape (1)Exploit
Sebastian Krahmer · linux · Aug 7, 2000
SUIDPerl 5.00503 - Mail Shell Escape (2)Exploit
Michal Zalewski · linux · Aug 7, 2000

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