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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:160115
[Eng]
Version
1
Class
patch
ALTXid
366600
Language
Russian
Severity
Medium
Title
Обновление SUSE-SU-2021:14792-1 -- устранение уязвимостей в openssl1
Description
This update for openssl1 fixes the security issue.
Family
unix
Platform
SUSE Linux Enterprise Server 11
Product
openssl1
Reference
VENDOR: SUSE-SU-2021:14792-1
VENDOR: SUSE-SU-2021:14792-1
Id:
SUSE-SU-2021:14792-1
Reference:
https://www.suse.com/support/update/announcement/2021/SUSE-SU-202114792-1/
CVE: CVE-2021-3712
CVE: CVE-2021-3712
Id:
CVE-2021-3712
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3712
Comment
: ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are repesented as a buffer for the string data which is terminated with a NUL (0) byte. Although not a strict requirement, ASN.1 strings that are parsed using OpenSSL's own "d2i" functions (and other similar parsing functions) as well as any string whose value has been set with the ASN1_STRING_set() function will additionally NUL terminate the byte array in the ASN1_STRING structure. However, it is possible for applications to directly construct valid ASN1_STRING structures which do not NUL terminate the byte array by directly setting the "data" and "length" fields in the ASN1_STRING array. This can also happen by using the ASN1_STRING_set0() function. Numerous OpenSSL functions that print ASN.1 data have been found to assume that the ASN1_STRING byte array will be NUL terminated, even though this is not guaranteed for strings that have been directly constructed. Where an application requests an ASN.1 structure to be printed, and where that ASN.1 structure contains ASN1_STRINGs that have been directly constructed by the application without NUL terminating the "data" field, then a read buffer overrun can occur. The same thing can also occur during name constraints processing of certificates (for example if a certificate has been directly constructed by the application instead of loading it via the OpenSSL parsing functions, and the certificate contains non NUL terminated ASN1_STRING structures). It can also occur in the X509_get1_email(), X509_REQ_get1_email() and X509_get1_ocsp() functions. If a malicious actor can cause an application to directly construct an ASN1_STRING and then process it through one of the affected OpenSSL functions then this issue could be hit. This might result in a crash (causing a Denial of Service attack). It could also result in the disclosure of private memory contents (such as private keys, or sensitive plaintext). Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k). Fixed in OpenSSL 1.0.2za (Affected 1.0.2-1.0.2y).
CVSSv2 Score:
5.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSSv3 Score:
7.4
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE:
125 (Out-of-bounds Read)
References:
https://www.openssl.org/news/secadv/20210824.txt (CONFIRM)
DSA-4963 (DEBIAN)
[oss-security] 20210825 OpenSSL SM2 Decryption Buffer Overflow (CVE-2021-3711), Read buffer overruns processing ASN.1 strings (CVE-2021-3712) (MLIST)
https://security.netapp.com/advisory/ntap-20210827-0010/ (CONFIRM)
https://www.tenable.com/security/tns-2021-16 (CONFIRM)
[debian-lts-announce] 20210926 [SECURITY] [DLA 2766-1] openssl security update (MLIST)
[debian-lts-announce] 20210930 [SECURITY] [DLA 2774-1] openssl1.0 security update (MLIST)
https://www.oracle.com/security-alerts/cpuoct2021.html (MISC)
https://kc.mcafee.com/corporate/index?page=content&id=SB10366 (CONFIRM)
https://www.tenable.com/security/tns-2022-02 (CONFIRM)
https://www.oracle.com/security-alerts/cpujan2022.html (MISC)
https://cert-portal.siemens.com/productcert/pdf/ssa-244969.pdf (CONFIRM)
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf (CONFIRM)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
GLSA-202209-02 (GENTOO)
GLSA-202210-02 (GENTOO)
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=94d23fcff9b2a7a8368dfe52214d5c2569882c11 ()
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ccb0a11145ee72b042d10593a64eaf9e8a55ec12 ()
[tomcat-dev] 20210825 OpenSSL security announcement - do we need a Tomcat Native release? ()
[tomcat-dev] 20210826 Re: OpenSSL security announcement - do we need a Tomcat Native release? ()
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