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 by | Version | Score | Vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV: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
- CVE List: CVE-2007-5939
- NVD: CVE-2007-5939
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