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CVE-2015-0240

UnknownEPSS 87.64%

Last modified

CVE-2015-0240 is a vulnerability of currently unknown severity. The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x before 4.0.25, 4.1.x before 4.1.17, and 4.2.x before 4.2.0rc5 performs a free operation on an uninitialized stack pointer, which allows remote attackers to execute arbitrary code via crafted Netlogon packets that use the ServerPasswordSet RPC API, as demonstrated by packets reaching the _netr_ServerPasswordSet function in rpc_server/netlogon/srv_netlog_nt.c.. EPSS estimates a 87.64% chance of exploitation in the next 30 days.

Description

The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x before 4.0.25, 4.1.x before 4.1.17, and 4.2.x before 4.2.0rc5 performs a free operation on an uninitialized stack pointer, which allows remote attackers to execute arbitrary code via crafted Netlogon packets that use the ServerPasswordSet RPC API, as demonstrated by packets reaching the _netr_ServerPasswordSet function in rpc_server/netlogon/srv_netlog_nt.c.

Metrics

EPSS Probability
87.64%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
RedhatEnterprise Linux5—
RedhatEnterprise Linux6.0—
RedhatEnterprise Linux7.0—
SambaSamba3.5.0—
SambaSamba3.5.1—
SambaSamba3.5.2—
SambaSamba3.5.3—
SambaSamba3.5.4—
SambaSamba3.5.5—
SambaSamba3.5.6—
SambaSamba3.5.7—
SambaSamba3.5.8—
SambaSamba3.5.9—
SambaSamba3.5.10—
SambaSamba3.5.11—
SambaSamba3.5.12—
SambaSamba3.5.13—
SambaSamba3.5.14—
SambaSamba3.5.15—
SambaSamba3.5.16—
SambaSamba3.5.17—
SambaSamba3.5.18—
SambaSamba3.5.19—
SambaSamba3.5.20—
SambaSamba3.5.21—
SambaSamba3.5.22—
SambaSamba3.6.0—
SambaSamba3.6.1—
SambaSamba3.6.2—
SambaSamba3.6.10—
SambaSamba3.6.11—
SambaSamba3.6.12—
SambaSamba3.6.13—
SambaSamba3.6.14—
SambaSamba3.6.15—
SambaSamba3.6.16—
SambaSamba3.6.17—
SambaSamba3.6.18—
SambaSamba3.6.19—
SambaSamba3.6.20—
SambaSamba3.6.21—
SambaSamba3.6.22—
SambaSamba3.6.23—
SambaSamba3.6.24—
SambaSamba4.0.0—
SambaSamba4.0.1—
SambaSamba4.0.2—
SambaSamba4.0.3—
SambaSamba4.0.4—
SambaSamba4.0.5—

Showing 50 of 93 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-0240?
The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x before 4.0.25, 4.1.x before 4.1.17, and 4.2.x before 4.2.0rc5 performs a free operation on an uninitialized stack pointer, which allows remote attackers to execute arbitrary code via crafted Netlogon packets that use the ServerPasswordSet RPC API, as demonstrated by packets reaching the _netr_ServerPasswordSet function in rpc_server/netlogon/srv_netlog_nt.c.
How severe is CVE-2015-0240?
Severity scoring for CVE-2015-0240 is pending analysis. The EPSS model estimates a 87.64% probability of exploitation in the next 30 days.
How do I fix CVE-2015-0240?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST