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CVE-2012-4503

UnknownEPSS 3.08%

Last modified

CVE-2012-4503 is a vulnerability of currently unknown severity. cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.. EPSS estimates a 3.08% chance of exploitation in the next 30 days.

Description

cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.

Metrics

EPSS Probability
3.08%

86.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
TuxfamilyChrony<= 1.28—
TuxfamilyChrony1.0—
TuxfamilyChrony1.1—
TuxfamilyChrony1.18—
TuxfamilyChrony1.19—
TuxfamilyChrony1.19.99.1—
TuxfamilyChrony1.19.99.2—
TuxfamilyChrony1.19.99.3—
TuxfamilyChrony1.20—
TuxfamilyChrony1.21—
TuxfamilyChrony1.23—
TuxfamilyChrony1.23.1—
TuxfamilyChrony1.24—
TuxfamilyChrony1.25—
TuxfamilyChrony1.26—
TuxfamilyChrony1.27—
TuxfamilyChrony1.28Pre1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-4503?
cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.
How severe is CVE-2012-4503?
Severity scoring for CVE-2012-4503 is pending analysis. The EPSS model estimates a 3.08% probability of exploitation in the next 30 days.
How do I fix CVE-2012-4503?
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.

How Strix Helps

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Source: NVD / NIST