Bug 1214574 (CVE-2020-18768) - VUL-0: CVE-2020-18768: tiff: heap buffer overflow in _TIFFmemcpy in tif_unix.c
Summary: VUL-0: CVE-2020-18768: tiff: heap buffer overflow in _TIFFmemcpy in tif_unix.c
Status: RESOLVED FIXED
Alias: CVE-2020-18768
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Normal
Target Milestone: ---
Assignee: Security Team bot
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/375939/
Whiteboard: CVSSv3.1:SUSE:CVE-2020-18768:5.3:(AV:...
Keywords:
Depends on:
Blocks:
 
Reported: 2023-08-24 11:42 UTC by Alexander Bergmann
Modified: 2023-11-06 12:30 UTC (History)
3 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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Description Alexander Bergmann 2023-08-24 11:42:39 UTC
CVE-2020-18768

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.

Upstream fix:
https://gitlab.com/libtiff/libtiff/-/merge_requests/72/diffs?commit_id=1fb9e731ef3e4ceb7af128ce298adb271088064f

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-18768
https://www.cve.org/CVERecord?id=CVE-2020-18768
http://bugzilla.maptools.org/show_bug.cgi?id=2848
Comment 5 Michael Vetter 2023-10-31 09:50:56 UTC
SR accepted.
Factory and ALP have tiff 4.6.0 by now.
Comment 7 Maintenance Automation 2023-11-06 12:30:21 UTC
SUSE-SU-2023:4371-1: An update that solves nine vulnerabilities can now be installed.

Category: security (moderate)
Bug References: 1212535, 1212881, 1212883, 1212888, 1213273, 1213274, 1213589, 1213590, 1214574
CVE References: CVE-2020-18768, CVE-2023-25433, CVE-2023-26966, CVE-2023-2908, CVE-2023-3316, CVE-2023-3576, CVE-2023-3618, CVE-2023-38288, CVE-2023-38289
Sources used:
SUSE Linux Enterprise Software Development Kit 12 SP5 (src): tiff-4.0.9-44.71.1
SUSE Linux Enterprise High Performance Computing 12 SP5 (src): tiff-4.0.9-44.71.1
SUSE Linux Enterprise Server 12 SP5 (src): tiff-4.0.9-44.71.1
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (src): tiff-4.0.9-44.71.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 8 Maintenance Automation 2023-11-06 12:30:24 UTC
SUSE-SU-2023:4370-1: An update that solves nine vulnerabilities can now be installed.

Category: security (moderate)
Bug References: 1212535, 1212881, 1212883, 1212888, 1213273, 1213274, 1213589, 1213590, 1214574
CVE References: CVE-2020-18768, CVE-2023-25433, CVE-2023-26966, CVE-2023-2908, CVE-2023-3316, CVE-2023-3576, CVE-2023-3618, CVE-2023-38288, CVE-2023-38289
Sources used:
SUSE Linux Enterprise Micro 5.2 (src): tiff-4.0.9-150000.45.32.1
SUSE Linux Enterprise Micro for Rancher 5.2 (src): tiff-4.0.9-150000.45.32.1
openSUSE Leap Micro 5.3 (src): tiff-4.0.9-150000.45.32.1
openSUSE Leap Micro 5.4 (src): tiff-4.0.9-150000.45.32.1
openSUSE Leap 15.4 (src): tiff-4.0.9-150000.45.32.1
openSUSE Leap 15.5 (src): tiff-4.0.9-150000.45.32.1
SUSE Linux Enterprise Micro for Rancher 5.3 (src): tiff-4.0.9-150000.45.32.1
SUSE Linux Enterprise Micro 5.3 (src): tiff-4.0.9-150000.45.32.1
SUSE Linux Enterprise Micro for Rancher 5.4 (src): tiff-4.0.9-150000.45.32.1
SUSE Linux Enterprise Micro 5.4 (src): tiff-4.0.9-150000.45.32.1
SUSE Linux Enterprise Micro 5.5 (src): tiff-4.0.9-150000.45.32.1
Basesystem Module 15-SP4 (src): tiff-4.0.9-150000.45.32.1
Basesystem Module 15-SP5 (src): tiff-4.0.9-150000.45.32.1
SUSE Package Hub 15 15-SP4 (src): tiff-4.0.9-150000.45.32.1
SUSE Package Hub 15 15-SP5 (src): tiff-4.0.9-150000.45.32.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.