Integer overflow in the valid_user_field function in journal/journald-native.c in systemd allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large journal data field, which triggers a heap-based buffer overflow.
Published 2013-10-28 22:55:04
Updated 2022-01-31 17:41:01
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowExecute codeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2013-4391

Probability of exploitation activity in the next 30 days: 5.48%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 92 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2013-4391

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST

CWE ids for CVE-2013-4391

  • The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2013-4391

Products affected by CVE-2013-4391

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