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cURL: Mehrere Schwachstellen
view advisory published 2021-09-14
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in cURL ausnutzen, um einen Denial of Service Angriff durchzuführen oder die Kryptographie zu umgehen.
01
describes (3)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-22947US | medium5.9OT elevated | — | ||
When curl >= 7.20.0 and <= 7.78.0 connects to an IMAP or POP3 server to retrieve data using STARTTLS to upgrade to TLS security, the server can respond and send back multiple respo… | ||||
| CVE-2021-22946US | high7.5OT elevated | — | ||
A user can tell curl >= 7.20.0 and <= 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server (`--ssl-reqd` on the command line or`CURLOPT_USE_SS… | ||||
| CVE-2021-22945US | critical9.1 | — | ||
When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in… | ||||
02
references
External citations — patches, advisories, analysis.
- Oracle Linux Security Advisory ELSA-2021-4059 vom 2021-11-03external
- Red Hat Security Advisory RHSA-2021:4059 vom 2021-11-02external
- Red Hat Security Advisory RHSA-2021:4618 vom 2021-11-11external
- Red Hat Security Advisory RHSA-2021:4766 vom 2021-11-23external
- Red Hat Security Advisory RHSA-2021:4848 vom 2021-11-29external
- Red Hat Security Advisory RHSA-2021:5191 vom 2021-12-16external
- Red Hat Security Advisory RHSA-2022:0056 vom 2022-03-10external
- Red Hat Security Advisory RHSA-2022:0635 vom 2022-02-22external
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