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In September, 2016, openssl.org released a security advisory detailing a number of security issues. The following vulnerabilities reported in the OpenSSL advisory are addressed in this document that may affect the TLS/SSL data-plane of ACOS devices.
| Item | Score | |||
| # | Vulnerability ID | Source | Score | Summary |
| 1 | CVE-2016-6304 | CVSS 3.0 | 7.5 High | OCSP Status Request extension unbounded memory growth [1, 2] |
The table below indicates releases of ACOS exposed to these vulnerabilities and ACOS releases that address these issues or are otherwise unaffected by them.
Customers using affected ACOS releases can overcome vulnerability exposures by updating to the indicated resolved release. If the table does not list a corresponding resolved or unaffected release, then no ACOS release update is currently available.
| Releases Affected | Releases Resolved or Unaffected |
| 4.1.1 (a) | |
| 4.1.0 – 4.1.0-P5 | 4.1.0-P6 |
| 2.7.2 – 2.7.2-P10 | 2.7.2-P11 |
| 2.7.1-GR1 – 2.7.1-GR1-P1 | 2.7.2-P11, 4.1.0-P6, 4.1.1 (a) |
| 2.6.1-GR1 – 2.6.1-GR1-P16 | 2.7.2-P11, 4.1.0-P6, 4.1.1 (a) |
(a) Including all updates to the release(s).
| Releases Affected | Releases Resolved or Unaffected |
|---|
Software updates that address these vulnerabilities are or will be published at the following URL:
http://www.a10networks.com/support/axseries/
The following table shares brief descriptions for the vulnerabilities addressed in this document.
| Vulnerability ID | Description | |
| CVE-2016-6304 | Multiple memory leaks in t1_lib.c in OpenSSL before 1.0.1u, 1.0.2 before 1.0.2i, and 1.1.0 before 1.1.0a allow remote attackers to cause a denial of service (memory consumption) via large OCSP Status Request extensions. | |
| Vulnerability ID | Vulnerability Description |
|---|
| Ref # | General Link |
| [1] | OpenSSL Security Advisory [22 Sep 2016] |
| [2] | NIST NVD, CVE-2016-6304 |
| Ref # | General Link |
|---|
| Revision | Date | Description |
|---|---|---|
| 1.0 | Wednesday, April 18th, 2018 |
Created web page |