Buffer overflow in Heimdal

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 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.

Vulnerability class: Buffer Overflow

EPSS: 0.038 (88.9th percentile) — read the EPSS interpretation.

Affected products

  • Heimdal — versions 0.7.2
  • N/a — versions n/a

Weakness classification (CWE)

References