Search for vulnerabilities
| Vulnerability ID | VCID-ytys-pthg-aaam |
| Aliases |
CVE-2023-35943
|
| Summary | Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, the CORS filter will segfault and crash Envoy when the `origin` header is removed and deleted between `decodeHeaders`and `encodeHeaders`. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, do not remove the `origin` header in the Envoy configuration. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 6.8 |
| Risk | 3.4 |
| Affected and Fixed Packages | Package Details |
| CWE-416 | Use After Free |
| Reference id | Reference type | URL |
|---|---|---|
| https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-35943.json | ||
| https://api.first.org/data/v1/epss?cve=CVE-2023-35943 | ||
| https://github.com/envoyproxy/envoy/security/advisories/GHSA-mc6h-6j9x-v3gq | ||
| 2217987 | https://bugzilla.redhat.com/show_bug.cgi?id=2217987 | |
| cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* | https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* | |
| CVE-2023-35943 | https://nvd.nist.gov/vuln/detail/CVE-2023-35943 | |
| ISTIO-SECURITY-2023-003 | https://istio.io/latest/news/security/ISTIO-SECURITY-2023-003/ | |
| RHSA-2023:4624 | https://access.redhat.com/errata/RHSA-2023:4624 | |
| RHSA-2023:4625 | https://access.redhat.com/errata/RHSA-2023:4625 |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.07729 |
| EPSS Score | 0.00037 |
| Published At | March 28, 2025, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| There are no relevant records. | ||||