CVE-2014-3517

描述

api/metadata/handler.py in OpenStack Compute (Nova) before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2, when proxying metadata requests through Neutron, makes it easier for remote attackers to guess instance ID signatures via a brute-force attack that relies on timing differences in responses to instance metadata requests.

如何修補 CVE-2014-3517

要修補 CVE-2014-3517,請將受影響套件升級到下列已修補版本。

• PyPI/nova—升級至 2013.2.4 或更新版本
• PyPI/nova—升級至 2013.2.4 或更新版本

CVE-2014-3517 正在被利用嗎?

低 — EPSS 為 1.9%,目前沒有觀察到大規模利用活動。

受影響套件(2)

• from 0, < 2013.2.4
• from 0, < 2013.2.4, >= 2014.0.0, < 2014.1.2

參考連結(10)

• ADVISORYgithub.com/advisories/GHSA-xjmj-p278-4jp5
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2014-3517
• PATCHopendev.org/openstack/nova
• PATCHpypi.org/project/nova
• WEBwww.openwall.com/lists/oss-security/2014/07/17/2