Vulnerability Details : CVE-2021-35942

The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) when called with an untrusted, crafted pattern, potentially resulting in a denial of service or disclosure of information. This occurs because atoi was used but strtoul should have been used to ensure correct calculations.
Vulnerability category: OverflowDenial of service
Published 2021-07-22 18:15:23
Updated 2022-11-08 13:29:50
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-35942

Probability of exploitation activity in the next 30 days: 0.97%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 82 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-35942

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
6.4
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
 nvd@nist.gov
9.1
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.9
5.2
 nvd@nist.gov

CWE ids for CVE-2021-35942

  • 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-2021-35942

Products affected by CVE-2021-35942

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close