Vulnerability Details : CVE-2021-3200
Potential exploit
Buffer overflow vulnerability in libsolv 2020-12-13 via the Solver * testcase_read(Pool *pool, FILE *fp, const char *testcase, Queue *job, char **resultp, int *resultflagsp function at src/testcase.c: line 2334, which could cause a denial of service
Vulnerability category: OverflowDenial of service
Products affected by CVE-2021-3200
- cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:*
- cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3200
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3200
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
1.8
|
1.4
|
NIST |
CWE ids for CVE-2021-3200
-
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-2021-3200
-
https://www.oracle.com/security-alerts/cpuapr2022.html
Oracle Critical Patch Update Advisory - April 2022Patch;Third Party Advisory
-
https://github.com/openSUSE/libsolv/issues/416
libsolv “testcase_read” function a heap overflow vulnerability · Issue #416 · openSUSE/libsolv · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/PoC-testcase_read-2334
PoC/PoC-testcase_read-2334 at master · yangjiageng/PoC · GitHubExploit;Third Party Advisory
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