Integer Overflow or Wraparound Affecting openssl package, versions <1:1.0.1e-51.el7_2.7
Threat Intelligence
EPSS
29.33% (97th
percentile)
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Test your applications- Snyk ID SNYK-RHEL7-OPENSSL-4622969
- published 26 Jul 2021
- disclosed 23 Aug 2016
How to fix?
Upgrade RHEL:7
openssl
to version 1:1.0.1e-51.el7_2.7 or higher.
This issue was patched in RHSA-2016:1940
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssl
package and not the openssl
package as distributed by RHEL
.
See How to fix?
for RHEL:7
relevant fixed versions and status.
The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.
References
- http://www.securityfocus.com/bid/92628
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- https://bto.bluecoat.com/security-advisory/sa132
- https://git.openssl.org/?p=openssl.git;a=commit;h=e97763c92c655dcf4af2860b3abd2bc4c8a267f9
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
- https://www.tenable.com/security/tns-2016-16
- https://www.tenable.com/security/tns-2016-20
- https://www.tenable.com/security/tns-2016-21
- 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.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- http://www.splunk.com/view/SP-CAAAPSV
- http://www.splunk.com/view/SP-CAAAPUE
- https://access.redhat.com/security/cve/CVE-2016-6302
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
- https://www.openssl.org/news/vulnerabilities.html#y2017
- http://rhn.redhat.com/errata/RHSA-2016-1940.html
- https://access.redhat.com/errata/RHSA-2016:1940
- http://www.securitytracker.com/id/1036885
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=e97763c92c655dcf4af2860b3abd2bc4c8a267f9