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CVE-2012-4456
Authentication Bypass in keystone (CVE-2012-4456)
Summary
authentication bypass in keystone (CVE-2012-4456). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `2012.1.2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2012-4456** has been found in keystone.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade keystone to **2012.1.2** or later.
If unsure, ask your IT team or search "keystone CVE-2012-4456" on the vendor's site.
CVE-2012-4456 (keystone) — CWE-287 /
Patched: `2012.1.2` — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**authentication bypass** (CWE-287) exists in keystone.
📍 Affected scope
keystone — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2012.1.2**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'keystone' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'keystone' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `keystone` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade keystone to 2012.1.2ステージング環境で 2012.1.2 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
PyPI
keystone
[{"type":"ECOSYSTEM","events":[{"introduced":"2012.1"},{"fixed":"2012.1.2"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2012-4456
- advisory https://github.com/openstack/keystone/commit/14b136aed9d988f5a8f3e699bd4577c9b874d6c1
- advisory https://github.com/openstack/keystone/commit/1d146f5c32e58a73a677d308370f147a3271c2cb
- advisory https://github.com/openstack/keystone/commit/24df3adb3f50cbb5ada411bc67aba8a781e6a431
- advisory https://github.com/openstack/keystone/commit/868054992faa45d6f42d822bf1588cb88d7c9ccb
- advisory https://bugs.launchpad.net/keystone/+bug/1006815
- advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/78944
- advisory https://github.com/advisories/GHSA-mf98-r2gf-2x3w
- advisory http://secunia.com/advisories/50665
- advisory http://www.securityfocus.com/bid/55716
- package https://github.com/openstack/keystone
- package https://pypi.org/project/keystone
- patch https://bugs.launchpad.net/keystone/+bug/1006822
- patch https://lists.launchpad.net/openstack/msg17034.html
- patch http://www.openwall.com/lists/oss-security/2012/09/28/5
- report https://bugzilla.redhat.com/show_bug.cgi?id=861179
- web https://access.redhat.com/errata/RHSA-2012:1378
- web https://access.redhat.com/security/cve/CVE-2012-4456
- web https://web.archive.org/web/20121114024512/http://www.securityfocus.com/bid/55716