Buffer overflow in Samba

CVE-2014-3493

The push_ascii function in smbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) via an attempt to read a Unicode pathname without specifying use of Unicode, leading to a character-set conversion failure that triggers an invalid pointer dereference.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v2 metric

CVSS v2 base score 2.7 (Low). Vector: AV:A/AC:L/Au:S/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.073 (94.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2014-3493: held from 0.073 to 0.073.

EPSS over last 30 days · oldest: 0.073 · newest: 0.073 · change: 0.000

Affected products

  • Samba — versions 3.6.0, 3.6.1, 3.6.2

Weakness classification (CWE)

References