CVE-2021-3697

EPSS 0.5%CWE-787

Vexday Risk Score

3Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS —EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

06 jul 2022Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.

Produtos afetados

n/a · grub2

Referências

https://bugzilla.redhat.com/show_bug.cgi?id=1991687 https://security.gentoo.org/glsa/202209-12 https://security.netapp.com/advisory/ntap-20220930-0001/