FICHE CVE

CVE-2021-22922

Publiée le 2021-08-05 · Dernière modification le 2026-10-14

When curl is instructed to download content using the metalink feature, thecontents is verified against a hash provided in the metalink XML file.The metalink XML file points out to the client how to get the same contentfrom a set of different URLs, potentially hosted by different servers and theclient can then download the file from one or several of them. In a serial orparallel manner.If one of the servers hosting the contents has been breached and the contentsof the specific file on that server is replaced with a modified payload, curlshould detect this when the hash of the file mismatches after a completeddownload. It should remove the contents and instead try getting the contentsfrom another URL. This is not done, and instead such a hash mismatch is onlymentioned in text and the potentially malicious content is kept in the file ondisk.

CVSS 3.16.5 MOYENNE

Type de faiblesse

CWE-840 Gestion d'exception incorrecte · CWE-755

Publiée2021-08-05

Dernière modification2026-10-14

DÉTAIL DU VECTEUR CVSS

Vecteur d'attaqueRéseau

Complexité d'attaqueFaible

Privilèges requisAucun

Interaction utilisateurRequise

PortéeInchangée

Impact sur la confidentialitéAucun

Impact sur l'intégritéÉlevé

Impact sur la disponibilitéAucun

CVE-2021-22922

DÉTAIL DU VECTEUR CVSS

RÉFÉRENCES