vulnwire
7.2high

CVE-2002-1420

Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative valu…

Published 23 y ago · modified 4 mo ago · JSON

CVSS
7.2
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 26%
Public exploits
0
none known

Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation.

Exploit prediction (EPSS)

0.33% probability of exploitation in the next 30 days, higher than 26% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

References

  • securityfocus.com /bid/5442 · vdb-entry, x_refsource_BID, x_transferred
  • iss.net /security_center/static/9809.php · vdb-entry, x_refsource_XF, x_transferred
  • kb.cert.org /vuls/id/259787 · third-party-advisory, x_refsource_CERT-VN, x_transferred
  • osvdb.org /7554 · vdb-entry, x_refsource_OSVDB, x_transferred
  • marc.info /?l=bugtraq&m=102918817012863&w=2 · mailing-list, x_refsource_BUGTRAQ, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.