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CVE-2021-3420
CRITICAL9.8
Beschreibung
A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.
CVE Details
CVSS v3.1 Bewertung9.8
SchweregradCRITICAL
CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AngriffsvektorNETWORK
KomplexitatLOW
Erforderliche PrivilegienNONE
BenutzerinteraktionNONE
Veroffentlicht3/5/2021
Zuletzt geandert11/21/2024
Quellenvd
Honeypot-Sichtungen0
Betroffene Produkte
fedoraproject:fedoranewlib_project:newlib
Schwachen (CWE)
CWE-190
Referenzen
https://bugzilla.redhat.com/show_bug.cgi?id=1934088(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEBF6YHWFNCBW5A2ENSQ3Z56ELF4MTRE/(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AMK54N6UOPBFFX2YT32TWSAEFTHGSKAA/(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQZEUANAWBBAOC4TF5PTPJVLMUR7SFD/(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=1934088(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEBF6YHWFNCBW5A2ENSQ3Z56ELF4MTRE/(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AMK54N6UOPBFFX2YT32TWSAEFTHGSKAA/(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQZEUANAWBBAOC4TF5PTPJVLMUR7SFD/(af854a3a-2127-422b-91ae-364da2661108)
IOC Korrelationen
Keine Korrelationen erfasst
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