Vulnerability DatabaseCVE-2022-23462
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CVE-2022-23462
October 21, 2022
IOWOW is a C utility library and persistent key/value storage engine. Versions 1.4.15 and prior contain a stack buffer overflow vulnerability that allows for Denial of Service (DOS) when it parses scientific notation numbers present in JSON. A patch for this issue is available at commit a79d31e4cff1d5a08f665574b29fd885897a28fd in the "master" branch of the repository. There are no workarounds other than applying the patch.
Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (4)
https://nvd.nist.gov/vuln/detail/CVE-2022-23462
https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23462.json
https://securitylab.github.com/advisories/GHSL-2022-066_iowow/
https://github.com/Softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fd
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CVSS v4
Base Score:
6.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.2
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Stack-based Buffer Overflow
CWE-121
Out-of-bounds Write
CWE-787
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120
EPSS
Base Score:
0.21