Vulnerability Details : CVE-2020-25756
A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking. A crafted HTTP header can exploit this bug. NOTE: a committer has stated "this will not happen in practice.
Vulnerability category: Overflow
Products affected by CVE-2020-25756
- cpe:2.3:a:cesanta:mongoose:6.18:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-25756
0.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-25756
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 | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-25756
-
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: nvd@nist.gov (Primary)
References for CVE-2020-25756
-
https://github.com/cesanta/mongoose/issues/1135
A buffer overflow error in mg_get_http_header · Issue #1135 · cesanta/mongoose · GitHubIssue Tracking;Patch;Third Party Advisory
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