Vulnerability Details : CVE-2022-23462
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.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2022-23462
- cpe:2.3:a:softmotions:iowow:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-23462
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-23462
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
|
6.2
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.5
|
3.6
|
GitHub, Inc. |
CWE ids for CVE-2022-23462
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: security-advisories@github.com (Secondary)
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: security-advisories@github.com (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-23462
-
https://securitylab.github.com/advisories/GHSL-2022-066_iowow/
GHSL-2022-066: Stack Buffer Overflow in iowow - CVE-2022-23462 | GitHub Security LabExploit;Third Party Advisory
-
https://github.com/Softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fd
* Fixed Github Vulnerability Report GHSL-2022-066 · Softmotions/iowow@a79d31e · GitHubPatch;Third Party Advisory
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