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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:204044
Version
1
Class
patch
ALTXid
425025
Language
Russian
Severity
High
Title
Обновление ROSA-SA-2021-1870 -- устранение уязвимостей в libgcrypt
Description
Исправление уязвимостей: CVE-2014-5270, CVE-2014-3591, CVE-2015-0837, CVE-2015-7511, CVE-2017-0379, CVE-2017-7526, CVE-2017-9526, CVE-2018-0495, CVE-2018-6829
Family
unix
Platform
ROSA Cobalt 7.9
Product
libgcrypt
Reference
VENDOR: ROSA-SA-2021-1870
VENDOR: ROSA-SA-2021-1870
Id:
ROSA-SA-2021-1870
Reference:
https://abf.rosalinux.ru/advisories/ROSA-SA-2021-1870
CVE: CVE-2014-5270
CVE: CVE-2014-5270
Id:
CVE-2014-5270
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5270
Comment
: Libgcrypt before 1.5.4, as used in GnuPG and other products, does not properly perform ciphertext normalization and ciphertext randomization, which makes it easier for physically proximate attackers to conduct key-extraction attacks by leveraging the ability to collect voltage data from exposed metal, a different vector than CVE-2013-4576.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:N
CWE:
200 (Information Exposure)
References:
[gnupg-announce] 20140808 [security fix] Libgcrypt and GnuPG (MLIST)
http://www.cs.tau.ac.il/~tromer/handsoff/ (MISC)
[oss-security] 20140816 Re: CVE request: libgcrypt, ELGAMAL side-channel attack (MLIST)
DSA-3073 (DEBIAN)
DSA-3024 (DEBIAN)
CVE: CVE-2014-3591
CVE: CVE-2014-3591
Id:
CVE-2014-3591
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3591
Comment
: Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.
CVSSv2 Score:
1.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
4.2
Attack vector:
PHYSICAL
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
200 (Information Exposure)
References:
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html (MISC)
http://www.debian.org/security/2015/dsa-3185 (MISC)
http://www.cs.tau.ac.il/~tromer/radioexp/ (MISC)
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html (MISC)
http://www.debian.org/security/2015/dsa-3184 (MISC)
CVE: CVE-2015-0837
CVE: CVE-2015-0837
Id:
CVE-2015-0837
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0837
Comment
: The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
5.9
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
203 (Information Exposure Through Discrepancy)
References:
http://www.debian.org/security/2015/dsa-3184 (MISC)
http://www.debian.org/security/2015/dsa-3185 (MISC)
https://ieeexplore.ieee.org/document/7163050 (MISC)
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html (CONFIRM)
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html (CONFIRM)
CVE: CVE-2015-7511
CVE: CVE-2015-7511
Id:
CVE-2015-7511
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7511
Comment
: Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.
CVSSv2 Score:
1.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
2
Attack vector:
PHYSICAL
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE:
200 (Information Exposure)
References:
http://www.cs.tau.ac.IL/~tromer/ecdh/ (MISC)
DSA-3474 (DEBIAN)
USN-2896-1 (UBUNTU)
[gnupg-announce] 20160209 [Announce] Libgcrypt 1.6.5 with security fix released (MLIST)
DSA-3478 (DEBIAN)
83253 (BID)
openSUSE-SU-2016:1227 (SUSE)
GLSA-201610-04 (GENTOO)
FEDORA-2016-83cd045bcc ()
CVE: CVE-2017-0379
CVE: CVE-2017-0379
Id:
CVE-2017-0379
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0379
Comment
: Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/ecc.c and mpi/ec.c.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
200 (Information Exposure)
References:
DSA-3959 (DEBIAN)
https://security-tracker.debian.org/tracker/CVE-2017-0379 (MISC)
https://lists.debian.org/debian-security-announce/2017/msg00221.html (MISC)
https://eprint.iacr.org/2017/806 (MISC)
https://bugs.debian.org/873383 (MISC)
100503 (BID)
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (CONFIRM)
https://security.netapp.com/advisory/ntap-20180726-0002/ (CONFIRM)
1041294 (SECTRACK)
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html (CONFIRM)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=da780c8183cccc8f533c8ace8211ac2cb2bdee7b ()
CVE: CVE-2017-7526
CVE: CVE-2017-7526
Id:
CVE-2017-7526
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7526
Comment
: libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while using the left-to-right method for computing the sliding-window expansion. The same attack is believed to work on RSA-2048 with moderately more computation. This side-channel requires that attacker can run arbitrary software on the hardware where the private RSA key is used.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
6.8
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
CWE:
310 (Cryptographic Issues)
References:
[gnupg-announce] 20170629 Libgcrypt 1.7.8 released to fix CVE-2017-7526 (MLIST)
https://eprint.iacr.org/2017/627 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7526 (CONFIRM)
DSA-3960 (DEBIAN)
DSA-3901 (DEBIAN)
1038915 (SECTRACK)
99338 (BID)
USN-3733-1 (UBUNTU)
USN-3733-2 (UBUNTU)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=78130828e9a140a9de4dafadbc844dbb64cb709a ()
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=e6a3dc9900433bbc8ad362a595a3837318c28fa9 ()
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=8725c99ffa41778f382ca97233183bcd687bb0ce ()
CVE: CVE-2017-9526
CVE: CVE-2017-9526
Id:
CVE-2017-9526
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9526
Comment
: In Libgcrypt before 1.7.7, an attacker who learns the EdDSA session key (from side-channel observation during the signing process) can easily recover the long-term secret key. 1.7.7 makes a cipher/ecc-eddsa.c change to store this session key in secure memory, to ensure that constant-time point operations are used in the MPI library.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
5.9
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
200 (Information Exposure)
References:
https://bugzilla.suse.com/show_bug.cgi?id=1042326 (CONFIRM)
99046 (BID)
DSA-3880 (DEBIAN)
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (CONFIRM)
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html (CONFIRM)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=5a22de904a0a366ae79f03ff1e13a1232a89e26b ()
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=f9494b3f258e01b6af8bd3941ce436bcc00afc56 ()
CVE: CVE-2018-0495
CVE: CVE-2018-0495
Id:
CVE-2018-0495
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0495
Comment
: Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
CVSSv2 Score:
1.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
4.7
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE:
203 (Information Exposure Through Discrepancy)
References:
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ (MISC)
https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html (MISC)
https://dev.gnupg.org/T4011 (MISC)
DSA-4231 (DEBIAN)
USN-3689-2 (UBUNTU)
USN-3689-1 (UBUNTU)
1041147 (SECTRACK)
1041144 (SECTRACK)
USN-3692-2 (UBUNTU)
USN-3692-1 (UBUNTU)
[debian-lts-announce] 20180629 [SECURITY] [DLA 1405-1] libgcrypt20 security update (MLIST)
RHSA-2018:3221 (REDHAT)
RHSA-2018:3505 (REDHAT)
USN-3850-1 (UBUNTU)
USN-3850-2 (UBUNTU)
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html (MISC)
RHSA-2019:1297 (REDHAT)
RHSA-2019:1296 (REDHAT)
RHSA-2019:1543 (REDHAT)
RHSA-2019:2237 (REDHAT)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=9010d1576e278a4274ad3f4aa15776c28f6ba965 ()
CVE: CVE-2018-6829
CVE: CVE-2018-6829
Id:
CVE-2018-6829
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6829
Comment
: cipher/elgamal.c in Libgcrypt through 1.8.2, when used to encrypt messages directly, improperly encodes plaintexts, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for Libgcrypt's ElGamal implementation.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
327 (Use of a Broken or Risky Cryptographic Algorithm)
References:
https://lists.gnupg.org/pipermail/gcrypt-devel/2018-February/004394.html (MISC)
https://github.com/weikengchen/attack-on-libgcrypt-elgamal/wiki (MISC)
https://github.com/weikengchen/attack-on-libgcrypt-elgamal (MISC)
https://www.oracle.com/security-alerts/cpujan2020.html (MISC)
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