5.5

CVE-2021-27815

Exploit
NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libexif Project ≫ Exif Version <= 0.6.22
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.27% 0.659
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648fa
Patch
Third Party Advisory
https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c
Patch
Third Party Advisory
https://github.com/libexif/exif/issues/4
Third Party Advisory
Exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/
https://security.gentoo.org/glsa/202210-28
Third Party Advisory