Critical severityOSV Advisory· Published Apr 25, 2019· Updated Aug 4, 2024
CVE-2019-9901
CVE-2019-9901
Description
Envoy 1.9.0 and before does not normalize HTTP URL paths. A remote attacker may craft a relative path, e.g., something/../admin, to bypass access control, e.g., a block on /admin. A backend server could then interpret the non-normalized path and provide an attacker access beyond the scope provided for by the access control policy.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/envoyproxy/envoyGo | < 1.9.1 | 1.9.1 |
Affected products
2- Range: v1.0.0, v1.1.0, v1.2.0, …
Patches
Vulnerability mechanics
References
9- github.com/advisories/GHSA-2wmf-p7f8-w42hghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-9901ghsaADVISORY
- github.com/envoyproxy/envoy/blob/main/security/postmortems/cve-2019-9900.mdghsaWEB
- github.com/envoyproxy/envoy/commit/e668e669677e52a00d99652b5a260d1cedafdfa8ghsaWEB
- github.com/envoyproxy/envoy/issues/6435ghsax_refsource_CONFIRMWEB
- github.com/envoyproxy/envoy/security/advisories/GHSA-xcx5-93pw-jw2wghsax_refsource_CONFIRMWEB
- groups.google.com/forum/ghsaWEB
- groups.google.com/forum/mitrex_refsource_CONFIRM
- www.envoyproxy.io/docs/envoy/v1.9.1/intro/version_historyghsax_refsource_CONFIRMWEB
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