7.5high

CVE-2016-4574

Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a deni…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.8%
percentile 86%
Public exploits
0
none known

Summary

Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.

Exploit prediction (EPSS)

2.76% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • openwall.com /lists/oss-security/2016/05/10/3 · mailing-list, x_refsource_MLIST, x_transferred
  • ubuntu.com /usn/USN-2982-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-06/msg00028.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • openwall.com /lists/oss-security/2016/05/10/4 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-05/msg00087.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • git.gnupg.org /cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75 · x_refsource_CONFIRM, 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.