Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-45958 |
CWE-ID | CWE-121 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
ultrajson Other software / Other software solutions |
Vendor | ultrajson |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU61917
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-45958
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in Buffer_AppendIndentUnchecked. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause a denial of service condition on the target system.
MitigationInstall update from vendor's website.
Vulnerable software versionsultrajson: 5.0.0 - 5.1.0
CPE2.3 External linkshttp://github.com/google/oss-fuzz-vulns/blob/main/vulns/ujson/OSV-2021-955.yaml
http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009
http://github.com/ultrajson/ultrajson/issues/501
http://github.com/ultrajson/ultrajson/issues/502#issuecomment-1031747284
http://github.com/ultrajson/ultrajson/pull/504
http://lists.debian.org/debian-lts-announce/2022/02/msg00023.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN7W3GOXALINKFUUE7ICQIC2EF5HNKUQ/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.