Vulnerability Details : CVE-2018-18311

Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.
Vulnerability category: OverflowMemory Corruption
Published 2018-12-07 21:29:00
Updated 2020-08-24 17:37:01
Source MITRE
View at NVD,   CVE.org

Threat overview for CVE-2018-18311

Top countries where our scanners detected CVE-2018-18311
Top open port discovered on systems with this issue 53
IPs affected by CVE-2018-18311 732,116
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2018-18311!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-18311

Probability of exploitation activity in the next 30 days: 0.50%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 74 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-18311

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 nvd@nist.gov
9.8
 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 nvd@nist.gov

CWE ids for CVE-2018-18311

  • 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)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-18311

Products affected by CVE-2018-18311

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