10.0crit

CVE-2007-5939

The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling f…

Published 18 y ago · modified 4 mo ago · JSON

CVSS
10.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.8%
percentile 90%
Public exploits
0
none known

Summary

The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.

Exploit prediction (EPSS)

3.80% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.010.0AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • securitytracker.com /id?1019057 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • osvdb.org /44750 · vdb-entry, x_refsource_OSVDB, x_transferred
  • securityfocus.com /bid/26758 · vdb-entry, x_refsource_BID, x_transferred
  • bugs.gentoo.org /show_bug.cgi?id=199207 · x_refsource_CONFIRM, x_transferred
  • mandriva.com /security/advisories?name=MDKSA-2007:239 · vendor-advisory, x_refsource_MANDRIVA, x_transferred
  • marc.info /?l=full-disclosure&m=119704362903699&w=2 · mailing-list, x_refsource_FULLDISC, 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.