PT-2018-15332 · Fabrice Bellard+1 · Tiny C Compiler+1

Published 2018-12-23 · Updated 2019-01-06 · CVE-2018-20376

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Tiny C Compiler (aka TinyCC or TCC) version 0.9.27

Description An issue was discovered where compiling a crafted source file leads to an 8 byte out of bounds write in the asm parse directive function in tccasm.c.

Recommendations For Tiny C Compiler (aka TinyCC or TCC) version 0.9.27, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2018-20376

Affected Products

Debian

Tiny C Compiler

References · 8

• 🔥 https://lists.nongnu.org/archive/html/tinycc-devel/2018-12/msg00013.html · Exploit
• https://osv.dev/vulnerability/CVE-2018-20376 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-20376 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-20376 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-20376 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-20376 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-20376 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-20376 · Security Note