Vulnerability Description
GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.
CVSS Score
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Libtasn1 | < 4.19.0 |
| Fedoraproject | Fedora | 35 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://bugs.gentoo.org/866237Issue TrackingPatchThird Party Advisory
- https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207PatchThird Party Advisory
- https://gitlab.com/gnutls/libtasn1/-/issues/32ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00003.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20221118-0006/Third Party Advisory
- https://bugs.gentoo.org/866237Issue TrackingPatchThird Party Advisory
- https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207PatchThird Party Advisory
- https://gitlab.com/gnutls/libtasn1/-/issues/32ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00003.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-46848?
CVE-2021-46848 is a vulnerability with a CVSS score of 9.1 (CRITICAL). GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.
How severe is CVE-2021-46848?
CVE-2021-46848 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-46848?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Libtasn1, Fedoraproject Fedora, Debian Debian Linux.