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AUSCERT External Security Bulletin Redistribution
ESB-2024.1894
Security update for zziplib
28 March 2024
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AusCERT Security Bulletin Summary
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Product: zziplib
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2020-18442 CVE-2020-18770
Original Bulletin:
https://www.suse.com/support/update/announcement/2024/suse-su-20240970-1
Comment: CVSS (Max): 4.0 CVE-2020-18442 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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Security update for zziplib
Announcement ID: SUSE-SU-2024:0970-1
Rating: moderate
o bsc#1154002
References: o bsc#1187526
o bsc#1214577
o CVE-2020-18442
Cross-References: o CVE-2020-18770
o CVE-2020-18442 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N
/S:U/C:N/I:N/A:L
o CVE-2020-18442 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:N/I:N/A:L
CVSS scores: o CVE-2020-18770 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R
/S:U/C:N/I:N/A:L
o CVE-2020-18770 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/
S:U/C:N/I:N/A:H
o Basesystem Module 15-SP5
o openSUSE Leap 15.5
Affected o SUSE Linux Enterprise Desktop 15 SP5
Products: o SUSE Linux Enterprise High Performance Computing 15 SP5
o SUSE Linux Enterprise Real Time 15 SP5
o SUSE Linux Enterprise Server 15 SP5
o SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves two vulnerabilities and has one security fix can now be
installed.
Description:
This update for zziplib fixes the following issues:
Security issue fixed:
o CVE-2020-18442: Fixed infinite loop in zzip_file_read() as used in
unzzip_cat_file() (bsc#1187526).
o CVE-2020-18770: Fixed denial-of-service in function
zzip_disk_entry_to_file_header in mmapped.c (bsc#1214577).
Non-security issue fixed:
o Implement an error message with a condition by checking the return value of
a function call. (bsc#1154002)
Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o openSUSE Leap 15.5
zypper in -t patch openSUSE-SLE-15.5-2024-970=1
o Basesystem Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-970=1
Package List:
o openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
zziplib-debugsource-0.13.69-150000.3.17.1
libzzip-0-13-debuginfo-0.13.69-150000.3.17.1
libzzip-0-13-0.13.69-150000.3.17.1
zziplib-devel-0.13.69-150000.3.17.1
zziplib-devel-debuginfo-0.13.69-150000.3.17.1
o openSUSE Leap 15.5 (x86_64)
zziplib-devel-32bit-debuginfo-0.13.69-150000.3.17.1
libzzip-0-13-32bit-0.13.69-150000.3.17.1
libzzip-0-13-32bit-debuginfo-0.13.69-150000.3.17.1
zziplib-devel-32bit-0.13.69-150000.3.17.1
o Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
zziplib-debugsource-0.13.69-150000.3.17.1
libzzip-0-13-debuginfo-0.13.69-150000.3.17.1
libzzip-0-13-0.13.69-150000.3.17.1
zziplib-devel-0.13.69-150000.3.17.1
zziplib-devel-debuginfo-0.13.69-150000.3.17.1
References:
o https://www.suse.com/security/cve/CVE-2020-18442.html
o https://www.suse.com/security/cve/CVE-2020-18770.html
o https://bugzilla.suse.com/show_bug.cgi?id=1154002
o https://bugzilla.suse.com/show_bug.cgi?id=1187526
o https://bugzilla.suse.com/show_bug.cgi?id=1214577
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