CVE-2020-35524 — Out-of-bounds Write in Libtiff

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer9 documents7 sources
Severity
7.8HIGHNVD
OSV6.5
EPSS
0.4%
top 38.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
LibtiffDebian TiffDebian Linux+4 more
Timeline
PublishedMar 9
Latest updateFeb 2

Description

A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages5 packages

▶NVDlibtiff/libtiff< 4.2.0
▶CVEListV5libtiff/libtifflibtiff 4.2.0
▶debiandebian/tiff< tiff 4.1.0+git201212-1 (bookworm)

Also affects: Debian Linux 10.0, 9.0, Fedora 33, Enterprise Linux 6.0, 7.0, 8.0

Patches

Patch: bugzilla.redhat.com ↗Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

3
OSV
tiff vulnerabilities↗2023-02-02
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GHSA
GHSA-7xc8-4h5p-pc25: A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool↗2022-05-24
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OSV
CVE-2020-35524: A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool↗2021-03-09
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📋Vendor Advisories

5
Ubuntu
LibTIFF vulnerabilities↗2023-02-02
▶
Microsoft
A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat↗2021-03-09
▶
Ubuntu
LibTIFF vulnerabilities↗2021-02-25
▶
Red Hat
libtiff: Heap-based buffer overflow in TIFF2PDF tool↗2020-12-14
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Debian
CVE-2020-35524: tiff - A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF i...↗2020
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