Out-of-bounds read in openssl (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-3735
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 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) Out-of-bounds read

EUVDB-ID: #VU8487

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-3735

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to one-byte out-of-bounds read when parsing an IPAddressFamily extension in an X.509 certificate. A remote attacker can disguise text display of the certificate.

Mitigation

Install update from vendor's website.

Vulnerable software versions

openssl (Alpine package): 0.9.8n-r0 - 1.0.2h-r4

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=d2d350f8a099c9ed303f00888e05626662e5c7f6
https://git.alpinelinux.org/aports/commit/?id=4a8e032821bd6376b9019298b0bea706aa7dd8d4
https://git.alpinelinux.org/aports/commit/?id=5dc813213f30ce0dc4c05ef71bd1fecf0e03c6ed
https://git.alpinelinux.org/aports/commit/?id=7acb0c2046e07d331c7d7ab9b1e2eb0c98a03187
https://git.alpinelinux.org/aports/commit/?id=c57b41c34309ede6b832e2edc306f6ab14a5d78c


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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