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CVE-2012-1182

86
FAUCET Score

CVE-2012-1182 is a critical remote code execution vulnerability affecting Samba versions 3.x before 3.4.16, 3.5.x before 3.5.14, and 3.6.x before 3.6.4. The flaw stems from improper array length validation in the RPC code generator, allowing unauthenticated attackers to execute arbitrary code via a crafted RPC call. With a CVSS score of 10.0, this vulnerability presents a severe risk due to its network-based attack vector and complete compromise potential. While not listed in CISA's KEV catalog, public exploit code, including a Metasploit module, exists, indicating a high likelihood of exploitation. Despite its severity and exploit availability, there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.4.15CPE matchmatch criteria
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.2:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.2:a:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
74.03%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Samba SetInformationPolicy AuditEventsInfo Heap Overflow · Apr 10, 2012
ExploitDB: EDB-21850 · Oct 10, 2012
This CVE's current EPSS score of 0.7403 is in the 99th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (12)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4 Extended Lifecycle SupportFixed in: samba-0:3.0.33-3.36.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: samba-0:3.0.33-3.39.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: samba3x-0:3.5.10-0.108.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5.3 Long LifeFixed in: samba-0:3.0.33-3.7.el5_3.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5.6 EUS - Server OnlyFixed in: samba-0:3.0.33-3.29.el5_6.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5.6 EUS - Server OnlyFixed in: samba3x-0:3.5.4-0.70.el5_6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: samba-0:3.5.10-115.el6_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: samba4-0:4.0.0-55.el6.rc4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: evolution-mapi-0:0.28.3-12.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openchange-0:1.0-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.0 EUS - Server OnlyFixed in: samba-0:3.5.4-68.el6_0.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.1 EUS - Server OnlyFixed in: samba-0:3.5.6-86.el6_1.5
View patch

Vendor Advisories (1)

redhatCVE-2012-1182Critical

samba: Multiple heap-based buffer overflows in memory management based on NDR marshalling code output

Apr 10, 2012

References

lists.apple.com / archives/security-announce/2012/May/msg00001.html
lists.fedoraproject.org / pipermail/package-announce/2012-April/078258.html
lists.fedoraproject.org / pipermail/package-announce/2012-April/078726.html
lists.fedoraproject.org / pipermail/package-announce/2012-April/078836.html
lists.fedoraproject.org / pipermail/package-announce/2012-May/080567.html
lists.opensuse.org / opensuse-security-announce/2012-04/msg00007.html
lists.opensuse.org / opensuse-security-announce/2012-04/msg00008.html
lists.opensuse.org / opensuse-security-announce/2012-04/msg00009.html
lists.opensuse.org / opensuse-security-announce/2012-04/msg00014.html
marc.info
marc.info
secunia.com / advisories/48751
secunia.com / advisories/48754
secunia.com / advisories/48816
secunia.com / advisories/48818
secunia.com / advisories/48844
secunia.com / advisories/48873
secunia.com / advisories/48879
secunia.com / advisories/48999
support.apple.com / kb/HT5281
samba.org / samba/security/CVE-2012-1182
Vendor Advisory
collax.com / produkte/AllinOne-server-for-small-businesses
debian.org / security/2012/dsa-2450
mandriva.com / security/advisories
samba.org / samba/history/samba-3.6.4.html
securitytracker.com / id
ubuntu.com / usn/USN-1423-1