CVE-2016-6303
Description
Integer overflow in the MDC2_Update function in crypto/mdc2/mdc2dgst.c in OpenSSL before 1.1.0 allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-6303
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-6303.html
Vendor advisory: secalert@redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=1370146
Vendor advisory: secalert@redhat.com — http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Vendor advisory: secalert@redhat.com — http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Vendor advisory: secalert@redhat.com — http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Vendor advisory: secalert@redhat.com — http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Vendor advisory: secalert@redhat.com — http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201609-23
Vendor advisory: arch — https://security.archlinux.org/ASA-201609-24
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| arch | fixed | 1:1.0.2.i-1 | |
| debian | bookworm | fixed | 1.0.2i-1 |
| debian | bullseye | fixed | 1.0.2i-1 |
| debian | forky | fixed | 1.0.2i-1 |
| debian | sid | fixed | 1.0.2i-1 |
| debian | trixie | fixed | 1.0.2i-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| nodejs | node.js | {"endExcluding":"0.12.16"} | 0.12.16 |
| openssl | openssl | 1.0.1 | |
| openssl | openssl | 1.0.1a | |
| openssl | openssl | 1.0.1b | |
| openssl | openssl | 1.0.1c | |
| openssl | openssl | 1.0.1d | |
| openssl | openssl | 1.0.1e | |
| openssl | openssl | 1.0.1f | |
| openssl | openssl | 1.0.1g | |
| openssl | openssl | 1.0.1h | |
| openssl | openssl | 1.0.1i | |
| openssl | openssl | 1.0.1j | |
| openssl | openssl | 1.0.1k | |
| openssl | openssl | 1.0.1l | |
| openssl | openssl | 1.0.1m | |
| openssl | openssl | 1.0.1n | |
| openssl | openssl | 1.0.1o | |
| openssl | openssl | 1.0.1p | |
| openssl | openssl | 1.0.1q | |
| openssl | openssl | 1.0.1r | |
| openssl | openssl | 1.0.1s | |
| openssl | openssl | 1.0.1t | |
| openssl | openssl | 1.0.2 | |
| openssl | openssl | 1.0.2a | |
| openssl | openssl | 1.0.2b | |
| openssl | openssl | 1.0.2c | |
| openssl | openssl | 1.0.2d | |
| openssl | openssl | 1.0.2e | |
| openssl | openssl | 1.0.2f | |
| openssl | openssl | 1.0.2g | |
| openssl | openssl | 1.0.2h | |
References
- https://security.archlinux.org/ASA-201609-24
- https://security.archlinux.org/ASA-201609-23
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039
- 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/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.securityfocus.com/bid/92984
- http://www.securitytracker.com/id/1036885
- https://bto.bluecoat.com/security-advisory/sa132
- https://bugzilla.redhat.com/show_bug.cgi?id=1370146
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=55d83bf7c10c7b205fffa23fa7c3977491e56c07
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
- https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
- https://www.tenable.com/security/tns-2016-16
- https://www.tenable.com/security/tns-2016-20
- https://www.tenable.com/security/tns-2016-21
- https://www.suse.com/security/cve/CVE-2016-6303.html
- https://security-tracker.debian.org/tracker/CVE-2016-6303
CWEs
CWE-787
Verify integrity in audit chain (admin only). AS-IS.