SUSE: 2022:3245-1 Critical Update for libyang DoS Issues
suse
September 12, 2022
An update that fixes four vulnerabilities is now available
Summary
This update for libyang fixes the following issues: - CVE-2021-28906: Fixed missing check in read_yin_leaf that can lead to DoS (bsc#1186378) - CVE-2021-28904: Fixed missing check in ext_get_plugin that lead to DoS (bsc#1186376). - CVE-2021-28903: Fixed stack overflow in lyxml_parse_mem (bsc#1186375). - CVE-2021-28902: Fixed missing check in read_yin_container that can lead to DoS (bsc#1186374). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 15.4: zypper in -t patch openSUSE-SLE-15.4-2022-3245=1 - openSUSE Leap 15.3: zypper in -t patch openSUSE-SLE-15.3-2022-3245=1
Topics Covered
References
#1186374 #1186375 #1186376 #1186378
Cross- CVE-2021-28902 CVE-2021-28903 CVE-2021-28904
CVE-2021-28906
CVSS scores:
CVE-2021-28902 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28902 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28903 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28903 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28904 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28904 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28906 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28906 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
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Severity
important
Lowest
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Medium
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Critical
Announcement ID: SUSE-SU-2022:3245-1
Rating: important
Topics Covered
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