CVE-2021-46848

Summary

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5
• https://gitlab.com/gnutls/libtasn1/-/issues/32
• https://bugs.gentoo.org/866237
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/
• https://security.netapp.com/advisory/ntap-20221118-0006/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/
• https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5
• https://gitlab.com/gnutls/libtasn1/-/issues/32
• https://bugs.gentoo.org/866237
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/
• https://security.netapp.com/advisory/ntap-20221118-0006/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/
• https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html

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