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CVE-2010-2023

UnknownEPSS 0.28%

Last modified

CVE-2010-2023 is a vulnerability of currently unknown severity. transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.

Metrics

EPSS Probability
0.28%

19.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
EximExim<= 4.71
EximExim4.10
EximExim4.20
EximExim4.21
EximExim4.22
EximExim4.23
EximExim4.24
EximExim4.30
EximExim4.31
EximExim4.32
EximExim4.33
EximExim4.34
EximExim4.40
EximExim4.41
EximExim4.42
EximExim4.43
EximExim4.44
EximExim4.50
EximExim4.51
EximExim4.52
EximExim4.53
EximExim4.54
EximExim4.60
EximExim4.61
EximExim4.62
EximExim4.63
EximExim4.64
EximExim4.65
EximExim4.66
EximExim4.67
EximExim4.68
EximExim4.69
EximExim4.70

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2010-2023?
transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.
How severe is CVE-2010-2023?
Severity scoring for CVE-2010-2023 is pending analysis. The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2010-2023?
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.

Are you affected by CVE-2010-2023?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST