CVE-2017-3735
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 21.0% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 21.0% in the next 30 days (EPSS).
- Severity: 5.3 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 21.0% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- OpenSSL 0.9.7j
- OpenSSL 0.9.7k
- OpenSSL 0.9.7l
- OpenSSL 0.9.7m
- OpenSSL 0.9.8
- OpenSSL 0.9.8a
- OpenSSL 0.9.8b
- OpenSSL 0.9.8c
Attack profile CVSS 3.0 · 5.3
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-3735.md and follow it. Check whether this project is affected by CVE-2017-3735. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/openssl/openssl/commit/068b963bb7afc57f5bdd723de0dd15e7795d5822
- https://www.openssl.org/news/secadv/20170828.txt
- https://www.openssl.org/news/secadv/20171102.txt
- https://github.com/openssl/openssl/commit/068b963bb7afc57f5bdd723de0dd15e7795d5822
- https://www.openssl.org/news/secadv/20170828.txt
- https://www.openssl.org/news/secadv/20171102.txt
References
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/100515
- http://www.securitytracker.com/id/1039726
- https://access.redhat.com/errata/RHSA-2018:3221
- https://access.redhat.com/errata/RHSA-2018:3505
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://github.com/openssl/openssl/commit/068b963bb7afc57f5bdd723de0dd15e7795d5822
- https://lists.debian.org/debian-lts-announce/2017/11/msg00011.html
- https://security.FreeBSD.org/advisories/FreeBSD-SA-17:11.openssl.asc
- https://security.gentoo.org/glsa/201712-03
- https://security.netapp.com/advisory/ntap-20170927-0001/
- https://security.netapp.com/advisory/ntap-20171107-0002/
- https://support.apple.com/HT208331
- https://usn.ubuntu.com/3611-2/
- https://www.debian.org/security/2017/dsa-4017
- https://www.debian.org/security/2017/dsa-4018
- https://www.openssl.org/news/secadv/20170828.txt
- https://www.openssl.org/news/secadv/20171102.txt
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html