Home/CVE/A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A spec
CVE

CVE-2020-35524

A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A spec

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.

HIGH · CVSS 7.8 EPSS 0.0048
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

5
libtiff< 4.2.0
debian linuxall versions
fedoraproject fedoraall versions
netapp ontap select deploy administration utilityall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Mar 2021 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

9
suse-csafopenSUSE-SU-2024:13381-1
usnUSN-5841-1
suse-csafSUSE-SU-2022:0496-1
suse-csafSUSE-SU-2022:14888-1
suse-csafopenSUSE-SU-2022:0480-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1932044Issue TrackingPatchThird Party Advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/159PatchThird Party Advisory
https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00023.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/
https://security.gentoo.org/glsa/202104-06Third Party Advisory
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