CVE-2021-3524
The vulnerability is related to the injection of HTTP headers via a CORS ExposeHeader tag.
Does this matter?
Lower severity and a low EPSS score (1.61%). Track it; it rarely justifies an emergency change on its own.
Description
A flaw was found in the Red Hat Ceph Storage RadosGW (Ceph Object Gateway) in versions before 14.2.21. The vulnerability is related to the injection of HTTP headers via a CORS ExposeHeader tag. The newline character in the ExposeHeader tag in the CORS configuration file generates a header injection in the response when the CORS request is made. In addition, the prior bug fix for CVE-2020-10753 did not account for the use of \r as a header separator, thus a new flaw has been created.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- EPSS
- 1.61% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-74
- Affected
- redhat/ceph · redhat/ceph storage · fedoraproject/fedora · debian/debian linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1951674Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00013.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX5ZHI5L7FOHXOSEV3TYBAL66DMLJ7V5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPCJN2YDZCBMF4FOJXSTAADKFGEQEO7O/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZRUNDH2TJRZRWL3DCH2PQ6KROWTPQ7AJ/
- https://bugzilla.redhat.com/show_bug.cgi?id=1951674Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00013.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX5ZHI5L7FOHXOSEV3TYBAL66DMLJ7V5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPCJN2YDZCBMF4FOJXSTAADKFGEQEO7O/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZRUNDH2TJRZRWL3DCH2PQ6KROWTPQ7AJ/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.