Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2019-14853 CVE-2019-14859 |
CWE-ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
python-ecdsa Universal components / Libraries / Software for developers |
Vendor | Brian Warner |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU22619
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-14853
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when decoding digital signatures. A remote attacker can send specially crafted data to the application that uses Pure-Python ECDSA module and perform a denial of service attack.
Install updates from vendor's website.
Vulnerable software versionspython-ecdsa: 0.5 - 0.13.2
External linkshttp://github.com/advisories/GHSA-pwfw-mgfj-7g3g
http://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
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.
EUVDB-ID: #VU22620
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-14859
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to signature malleability while processing DER-encoded data. A remote attacker can bypass certain security restrictions.
Install updates from vendor's website.
Vulnerable software versionspython-ecdsa: 0.5 - 0.13.2
External linkshttp://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
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.