Vulnerability Details : CVE-2021-3912
OctoRPKI tries to load the entire contents of a repository in memory, and in the case of a GZIP bomb, unzip it in memory, making it possible to create a repository that makes OctoRPKI run out of memory (and thus crash).
Products affected by CVE-2021-3912
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:cloudflare:octorpki:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3912
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3912
| 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 | |
|
4.2
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H |
0.5
|
3.6
|
Cloudflare, Inc. | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-3912
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: cna@cloudflare.com (Secondary)
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-3912
-
https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g9wh-3vrx-r7hg
OctoRPKI crashes when processing GZIP bomb returned via malicious repository · Advisory · cloudflare/cfrpki · GitHubThird Party Advisory
-
https://www.debian.org/security/2022/dsa-5041
Debian -- Security Information -- DSA-5041-1 cfrpkiThird Party Advisory
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