5.5

CVE-2019-12495

Exploit
An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to a one-byte out-of-bounds write in the gsym_addr function in x86_64-gen.c. This occurs because tccasm.c mishandles section switches.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tinycc ≫ Tinycc Version 0.9.27
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.22% 0.647
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NIST 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

http://www.securityfocus.com/bid/108541
https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html
Third Party Advisory
Exploit
https://repo.or.cz/tinycc.git/commit/d04ce7772c2bc2781ab2502e0b1f1964488814b5
Patch
Third Party Advisory