CVE-2020-18768 — Out-of-bounds Write in Libtiff

CWE-787 — Out-of-bounds WriteCWE-122 — Heap-based Buffer Overflow6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 91.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Libtiff
Timeline
PublishedAug 22

Description

There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages1 packages

▶NVDlibtiff/libtiff4.0.10

🔴Vulnerability Details

3
CVEList
CVE-2020-18768: There exists one heap buffer overflow in _TIFFmemcpy in tif_unix↗2023-08-22
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GHSA
GHSA-mqcp-f5vw-2vmj: There exists one heap buffer overflow in _TIFFmemcpy in tif_unix↗2023-08-22
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OSV
CVE-2020-18768: There exists one heap buffer overflow in _TIFFmemcpy in tif_unix↗2023-08-22
▶

📋Vendor Advisories

2
Debian
CVE-2020-18768: tiff - There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4....↗2020
▶
Red Hat
libtiff: heap-based buffer overflow in _TIFFmemcpy() in tif_unix.c↗2019-03-20
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