Unrated severityNVD Advisory· Published Dec 13, 2019· Updated Aug 5, 2024
CVE-2019-18801
CVE-2019-18801
Description
An issue was discovered in Envoy 1.12.0. An untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1. This may be used to corrupt nearby heap contents (leading to a query-of-death scenario) or may be used to bypass Envoy's access control mechanisms such as path based routing. An attacker can also modify requests from other users that happen to be proximal temporally and spatially.
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Affected products
2- Envoy/Envoydescription
- Range: =1.12.0
Patches
Vulnerability mechanics
References
5- access.redhat.com/errata/RHSA-2019:4222mitrex_refsource_MISC
- blog.envoyproxy.iomitrex_refsource_MISC
- github.com/envoyproxy/envoy/commits/mastermitrex_refsource_MISC
- github.com/envoyproxy/envoy/security/advisories/GHSA-gxvv-x4p2-rpppmitrex_refsource_CONFIRM
- groups.google.com/forum/mitrex_refsource_MISC
News mentions
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