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CVE-2013-4408

21
FAUCET Score

CVE-2013-4408 describes a heap-based buffer overflow in the dcerpc_read_ncacn_packet_done function within Samba versions 3.x, 4.0.x, and 4.1.x. This flaw allows remote Active Directory domain controllers to execute arbitrary code on affected Samba installations by sending a specially crafted DCE-RPC packet with an invalid fragment length. With a CVSS score of 8.3, this vulnerability is considered highly severe, enabling complete compromise of confidentiality, integrity, and availability with low attack complexity, though it requires network access. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.1.0CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:*
4.1.1CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:*
4.1.2CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.0.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

8.3HIGH

AV:A/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
6.5
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.75%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0275 is in the 91st percentile among its peer group of 1,875 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: samba3x-0:3.6.6-0.138.el5_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: samba4-0:4.0.0-60.el6_5.rc4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: samba-0:3.6.9-167.el6_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Storage 2.1Fixed in: samba-0:3.6.9-167.5.1.el6rhs
View patch

Vendor Advisories (1)

redhatCVE-2013-4408Important

samba: Heap-based buffer overflow due to incorrect DCE-RPC fragment length field check

Dec 9, 2013

References

lists.fedoraproject.org / pipermail/package-announce/2014-August/136864.html
lists.fedoraproject.org / pipermail/package-announce/2014-June/134717.html
lists.opensuse.org / opensuse-security-announce/2014-01/msg00002.html
lists.opensuse.org / opensuse-security-announce/2016-04/msg00047.html
lists.opensuse.org / opensuse-security-announce/2016-04/msg00048.html
lists.opensuse.org / opensuse-updates/2013-12/msg00088.html
lists.opensuse.org / opensuse-updates/2014-03/msg00063.html
marc.info
rhn.redhat.com / errata/RHSA-2013-1805.html
rhn.redhat.com / errata/RHSA-2013-1806.html
rhn.redhat.com / errata/RHSA-2014-0009.html
security.gentoo.org / glsa/glsa-201502-15.xml
debian.org / security/2013/dsa-2812
mandriva.com / security/advisories
samba.org / samba/ftp/patches/security/samba-4.1.2-CVE-2013-4408-CVE-2012-6150.patch
samba.org / samba/security/CVE-2013-4408
Vendor Advisory
securityfocus.com / bid/64191
ubuntu.com / usn/USN-2054-1