Resource exhaustion in py-openssl (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1000808
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 py-openssl (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU15783

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1000808

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to improper release of memory before removing the last reference in a Public Key Cryptography Standards (PKCS) #12 store. A remote unauthenticated attacker can send a specially crafted request that submits malicious input, exhaust memory resources and to cause the application to reload certificates from a PKCS #12 store.

Mitigation

Install update from vendor's website.

Vulnerable software versions

py-openssl (Alpine package): 17.0.0-r0 - 17.2.0-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=8f415a0a3b8b2ae65d9e9655989d72f7e0095ee0
https://git.alpinelinux.org/aports/commit/?id=ea1401740c16f624416075bdeeae6ffa0158f7a2


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.



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