CVE-2017-3735

Description

While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 37.45% Top 5%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory FreeBSD.org Vendor Advisory openssl.org Vendor Advisory openssl.org
Affected: OpenSSL Software Foundation OpenSSL
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1039726 vdb entry third party advisory
https://usn.ubuntu.com/3611-2/ vendor advisory
https://www.debian.org/security/2017/dsa-4018 third party advisory vendor advisory
https://security.gentoo.org/glsa/201712-03 vendor advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00011.html mailing list
https://access.redhat.com/errata/RHSA-2018:3505 vendor advisory
https://www.debian.org/security/2017/dsa-4017 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3221 vendor advisory
http://www.securityfocus.com/bid/100515 vdb entry third party advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-17:11.openssl.asc vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://security.netapp.com/advisory/ntap-20171107-0002/ issue tracking third party advisory
https://support.apple.com/HT208331
https://github.com/openssl/openssl/commit/068b963bb7afc57f5bdd723de0dd15e7795d5822
https://security.netapp.com/advisory/ntap-20170927-0001/ issue tracking third party advisory
https://www.tenable.com/security/tns-2017-15
https://www.openssl.org/news/secadv/20171102.txt issue tracking vendor advisory
https://www.tenable.com/security/tns-2017-14 issue tracking third party advisory
https://www.openssl.org/news/secadv/20170828.txt patch vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Frequently Asked Questions

What is the severity of CVE-2017-3735?
CVE-2017-3735 has been scored as a medium severity vulnerability.
How to fix CVE-2017-3735?
To fix CVE-2017-3735, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-3735 being actively exploited in the wild?
It is possible that CVE-2017-3735 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~37% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-3735?
CVE-2017-3735 affects OpenSSL Software Foundation OpenSSL.
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