CVE-2021-22945

Sažetak

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 a subsequent call to send data and also free it *again*.

Reference

http://seclists.org/fulldisclosure/2022/Mar/29
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
https://hackerone.com/reports/1269242
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/
https://security.gentoo.org/glsa/202212-01
https://security.netapp.com/advisory/ntap-20211029-0003/
https://support.apple.com/kb/HT213183
https://www.debian.org/security/2022/dsa-5197
https://www.oracle.com/security-alerts/cpuoct2021.html

CVSS

Base:	5.8
Impact:	4.9
Exploitability:	8.6

Pristup

Vektor	Složenost	Autentikacija
NETWORK	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
PARTIAL	NONE	PARTIAL

CVSS vektor

AV:N/AC:M/Au:N/C:P/I:N/A:P

Zadnje važnije ažuriranje

27-03-2024 - 15:04

Objavljeno

23-09-2021 - 13:15