CVE-2020-28949highsob ataque

CVE-2020-28949

100Vexday Risk Score

Corrija agora. Ela está sob exploração confirmada pelo CISA e tem exploit funcional público.

ssvc Actcvss 7.8epss 85%

da publicação à arma683 dias

Publicada no NVD19 de nov.

1ª PoC+683d

metasploit17 de nov.

CISA KEV+644d

probabilidade de exploração

85%top 1% das CVEs

exploração observada

simCISA + VulnCheck

2 exploit(s) público(s)

Ação exigida pela CISAprazo federal: 2022-09-15

Apply updates per vendor instructions.

Versões

Afetadas

composer/pear/archive_tar < 1.4.11

Corrigidas em

composer/pear/archive_tar 1.4.11

Pesquisado e redigido com IA a partir do advisory do fornecedor e de análises públicas, com as fontes acima. Confira sempre a versão corrigida no advisory oficial antes de agir.

Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.

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

Produtos afetados

n/a · n/a

PoCs públicas encontradas — 2

cve_referencepacketstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.htmlnão verificado vulncheckvulncheck.com/xdb/b36055977e47não verificado

⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.

Referências

http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html https://github.com/pear/Archive_Tar/issues/33 https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/https://security.gentoo.org/glsa/202101-23 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-28949 https://www.debian.org/security/2020/dsa-4817