Vulnerability Details : CVE-2013-4391

Potential exploit
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 2025-04-11 00:51:22
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowExecute codeDenial of service

Products affected by CVE-2013-4391

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

EPSS FAQ
3.70%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2013-4391

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
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 occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2013-4391

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