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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:208793
[Rus]
Version
1
Class
patch
ALTXid
430986
Language
English
Severity
High
Title
ALT 8 SP -- security update for libxml2
Description
Security update for libxml2.
Family
unix
Platform
ALT 8 SP
Product
libxml2
Reference
VENDOR: c9f2-libxml2-15.06.2021
VENDOR: c9f2-libxml2-15.06.2021
Id:
c9f2-libxml2-15.06.2021
Reference:
https://packages.altlinux.org/ru/c9f2/srpms/libxml2
CVE: CVE-2021-3516
CVE: CVE-2021-3516
Id:
CVE-2021-3516
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3516
Comment
: There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1954225 (MISC)
https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539 (MISC)
https://gitlab.gnome.org/GNOME/libxml2/-/issues/230 (MISC)
[debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update (MLIST)
GLSA-202107-05 (GENTOO)
https://security.netapp.com/advisory/ntap-20210716-0005/ (CONFIRM)
https://www.oracle.com/security-alerts/cpujan2022.html (MISC)
FEDORA-2021-e3ed1ba38b ()
FEDORA-2021-b950000d2b ()
CVE: CVE-2021-3517
CVE: CVE-2021-3517
Id:
CVE-2021-3517
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3517
Comment
: There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.6
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1954232 (MISC)
[debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update (MLIST)
https://security.netapp.com/advisory/ntap-20210625-0002/ (CONFIRM)
GLSA-202107-05 (GENTOO)
https://www.oracle.com/security-alerts/cpuoct2021.html (MISC)
https://security.netapp.com/advisory/ntap-20211022-0004/ (CONFIRM)
https://www.oracle.com/security-alerts/cpujan2022.html (MISC)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
N/A (N/A)
FEDORA-2021-e3ed1ba38b ()
FEDORA-2021-b950000d2b ()
[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 ()
[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 ()
CVE: CVE-2021-3518
CVE: CVE-2021-3518
Id:
CVE-2021-3518
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3518
Comment
: There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
[debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=1954242 (MISC)
https://security.netapp.com/advisory/ntap-20210625-0002/ (CONFIRM)
GLSA-202107-05 (GENTOO)
https://support.apple.com/kb/HT212604 (CONFIRM)
https://support.apple.com/kb/HT212605 (CONFIRM)
https://support.apple.com/kb/HT212602 (CONFIRM)
https://support.apple.com/kb/HT212601 (CONFIRM)
20210723 APPLE-SA-2021-07-21-2 macOS Big Sur 11.5 (FULLDISC)
20210723 APPLE-SA-2021-07-21-1 iOS 14.7 and iPadOS 14.7 (FULLDISC)
20210723 APPLE-SA-2021-07-21-5 watchOS 7.6 (FULLDISC)
20210723 APPLE-SA-2021-07-21-6 tvOS 14.7 (FULLDISC)
https://www.oracle.com/security-alerts/cpuoct2021.html (MISC)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
N/A (N/A)
FEDORA-2021-e3ed1ba38b ()
FEDORA-2021-b950000d2b ()
[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 ()
[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 ()
CVE: CVE-2021-3537
CVE: CVE-2021-3537
Id:
CVE-2021-3537
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3537
Comment
: A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSSv3 Score:
5.9
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
476 (NULL Pointer Dereference)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1956522 (MISC)
[debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update (MLIST)
https://security.netapp.com/advisory/ntap-20210625-0002/ (CONFIRM)
GLSA-202107-05 (GENTOO)
https://www.oracle.com/security-alerts/cpuoct2021.html (MISC)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
N/A (N/A)
FEDORA-2021-e3ed1ba38b ()
FEDORA-2021-b950000d2b ()
CVE: CVE-2021-3541
CVE: CVE-2021-3541
Id:
CVE-2021-3541
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3541
Comment
: A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.
CVSSv2 Score:
4
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
776 (Unrestricted Recursive Entity References in DTDs ('XML Bomb'))
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1950515 (MISC)
https://security.netapp.com/advisory/ntap-20210805-0007/ (CONFIRM)
https://www.oracle.com/security-alerts/cpujan2022.html (MISC)
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