CVE-2021-4209
CVE-2021-4209
Vexday Risk Score
3Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS —EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Ciclo de vida
24 ago 2022Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.
Produtos afetados
n/a · GnuTLSQuer saber se a sua infraestrutura está exposta a isto?
Falar com a TrueHacking →Referências
https://access.redhat.com/security/cve/CVE-2021-4209https://bugzilla.redhat.com/show_bug.cgi?id=2044156https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568https://gitlab.com/gnutls/gnutls/-/issues/1306https://gitlab.com/gnutls/gnutls/-/merge_requests/1503https://security.netapp.com/advisory/ntap-20220915-0005/