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CVE-2020-25725
MEDIUM5.0
Beschreibung
In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.
CVE Details
CVSS v3.1 Bewertung5.0
SchweregradMEDIUM
CVSS VektorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
AngriffsvektorLOCAL
KomplexitatLOW
Erforderliche PrivilegienLOW
BenutzerinteraktionREQUIRED
Veroffentlicht11/21/2020
Zuletzt geandert11/21/2024
Quellenvd
Honeypot-Sichtungen0
Betroffene Produkte
fedoraproject:fedoraxpdfreader:xpdf
Schwachen (CWE)
CWE-416CWE-416
Referenzen
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725(secalert@redhat.com)
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725(af854a3a-2127-422b-91ae-364da2661108)
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/(af854a3a-2127-422b-91ae-364da2661108)
IOC Korrelationen
Keine Korrelationen erfasst
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