PT-2019-5490 · Libtiff+2 · Libtiff+2

Thomas Bernard · Published 2019-02-09 · Updated 2024-06-15 · CVE-2019-7663

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions LibTIFF version 4.0.10

Description A denial-of-service issue was discovered in the TIFFWriteDirectoryTagTransferfunction, affecting the cpSeparateBufToContigBuf function. This issue allows remote attackers to cause a denial-of-service via a crafted TIFF file. The vulnerability is related to an invalid address dereference and a buffer data boundary operation.

Recommendations For LibTIFF version 4.0.10, consider updating to a newer version that addresses this issue, as no specific fix is provided for this version. As a temporary workaround, consider restricting the use of crafted TIFF files to minimize the risk of exploitation.

Exploit

Fix

Untrusted Pointer Dereference

Integer Overflow

Buffer Overflow

Weakness Enumeration

CWE-822

CWE-190

CWE-119

Related Identifiers

BDU:2020-03281

CVE-2019-7663

DLA-1680-1

DSA-4670-1

MGASA-2019-0101

OPENSUSE-SU-2019:1161-1

OPENSUSE-SU-2019_1161-1

OPENSUSE-SU-2024:11461-1

SUSE-SU-2019:0786-1

SUSE-SU-2019:3058-1

USN-3906-1

USN-3906-2

Affected Products

Libtiff

Suse

Ubuntu

References · 129

• 🔥 http://bugzilla.maptools.org/show_bug.cgi?id=2833 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-7663 · Security Note
• https://ubuntu.com/security/CVE-2019-6128 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-17000 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6128 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14973 · Security Note
• https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-7663 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-10779 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17000 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12900 · Security Note
• https://bdu.fstec.ru/vul/2020-03281 · Security Note
• https://security-tracker.debian.org/tracker/DSA-4670-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-7663 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17546 · Security Note