CVE-2020-36430

HIGH

7.8

Descricao

libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction.

Detalhes CVE

Pontuacao CVSS v3.17.8

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado7/20/2021

Ultima modificacao11/21/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

fedoraproject:fedoralibass_project:libass

Fraquezas (CWE)

CWE-787

Referencias

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674(cve@mitre.org)

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml(cve@mitre.org)

https://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/(cve@mitre.org)

https://security.gentoo.org/glsa/202208-13(cve@mitre.org)

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202208-13(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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