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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:269
[Eng]
Version
7
Class
patch
ALTXid
34664
Language
Russian
Severity
NotAvailable
Title
Обновление DSA-1571-1 openssl - предсказуемый генератор случайных чисел
Description
Luciano Bello discovered that the random number generator in Debian's openssl package is predictable. This is caused by an incorrect Debian-specific change to the openssl package (CVE-2008-0166). As a result, cryptographic key material may be guessable. This is a Debian-specific vulnerability which does not affect other operating systems which are not based on Debian. However, other systems can be indirectly affected if weak keys are imported into them. It is strongly recommended that all cryptographic key material which has been generated by OpenSSL versions starting with 0.9.8c-1 on Debian systems is recreated from scratch. Furthermore, all DSA keys ever used on affected Debian systems for signing or authentication purposes should be considered compromised; the Digital Signature Algorithm relies on a secret random value used during signature generation. The first vulnerable version, 0.9.8c-1, was uploaded to the unstable distribution on 2006-09-17, and has since that date propagated to the testing and current stable (etch) distributions. The old stable distribution (sarge) is not affected. Affected keys include SSH keys, OpenVPN keys, DNSSEC keys, and key material for use in X.509 certificates and session keys used in SSL/TLS connections. Keys generated with GnuPG or GNUTLS are not affected, though. A detector for known weak key material will be published at: http://security.debian.org/project/extra/dowkd/dowkd.pl.gz (OpenPGP signature) Instructions how to implement key rollover for various packages will be published at: http://www.debian.org/security/key-rollover/ This web site will be continuously updated to reflect new and updated instructions on key rollovers for packages using SSL certificates. Popular packages not affected will also be listed. In addition to this critical change, two other vulnerabilities have been fixed in the openssl package which were originally scheduled for release with the next etch point release: OpenSSL's DTLS (Datagram TLS, basically SSL over UDP) implementation did not actually implement the DTLS specification, but a potentially much weaker protocol, and contained a vulnerability permitting arbitrary code execution (CVE-2007-4995). A side channel attack in the integer multiplication routines is also addressed (CVE-2007-3108).
Family
unix
Platform
Debian GNU/Linux 4.0
Product
openssl
Reference
VENDOR: DSA-1571-1
VENDOR: DSA-1571-1
Id:
DSA-1571-1
Reference:
http://www.debian.org/security/2008/dsa-1571
CVE: CVE-2008-0166
CVE: CVE-2008-0166
Id:
CVE-2008-0166
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0166
Comment
: OpenSSL 0.9.8c-1 up to versions before 0.9.8g-9 on Debian-based operating systems uses a random number generator that generates predictable numbers, which makes it easier for remote attackers to conduct brute force guessing attacks against cryptographic keys.
CVSSv2 Score:
7.8
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:C/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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
338 (Use of Cryptographically Weak PRNG)
References:
DSA-1571 (DEBIAN)
USN-612-1 (UBUNTU)
USN-612-2 (UBUNTU)
29179 (BID)
http://metasploit.com/users/hdm/tools/debian-openssl/ (MISC)
DSA-1576 (DEBIAN)
USN-612-3 (UBUNTU)
USN-612-4 (UBUNTU)
USN-612-7 (UBUNTU)
VU#925211 (CERT-VN)
1020017 (SECTRACK)
30220 (SECUNIA)
30221 (SECUNIA)
30231 (SECUNIA)
30239 (SECUNIA)
30249 (SECUNIA)
30136 (SECUNIA)
[rsyncrypto-devel] 20080523 Advisory - Rsyncrypto maybe affected from Debian OpenSSL reduced entropy problem (MLIST)
TA08-137A (CERT)
openssl-rng-weak-security(42375) (XF)
5720 (EXPLOIT-DB)
5632 (EXPLOIT-DB)
5622 (EXPLOIT-DB)
20080515 Debian generated SSH-Keys working exploit (BUGTRAQ)
CVE: CVE-2007-4995
CVE: CVE-2007-4995
Id:
CVE-2007-4995
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4995
Comment
: Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.
CVSSv2 Score:
9.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C
CWE:
189 (Numeric Errors)
References:
http://bugs.gentoo.org/show_bug.cgi?id=195634 (CONFIRM)
HPSBUX02296 (HP)
SUSE-SR:2007:021 (SUSE)
25878 (SECUNIA)
27205 (SECUNIA)
27217 (SECUNIA)
27271 (SECUNIA)
27363 (SECUNIA)
27434 (SECUNIA)
27933 (SECUNIA)
28084 (SECUNIA)
30161 (SECUNIA)
30220 (SECUNIA)
30852 (SECUNIA)
GLSA-200710-30 (GENTOO)
1018810 (SECTRACK)
http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738962 (MISC)
DSA-1571 (DEBIAN)
GLSA-200805-07 (GENTOO)
MDKSA-2007:237 (MANDRIVA)
http://www.openssl.org/news/secadv_20071012.txt (CONFIRM)
RHSA-2007:0964 (REDHAT)
20071012 OpenSSL Security Advisory (BUGTRAQ)
26055 (BID)
ADV-2007-3487 (VUPEN)
ADV-2007-4219 (VUPEN)
ADV-2008-1937 (VUPEN)
openssl-dtls-code-execution(37185) (XF)
oval:org.mitre.oval:def:10288 (OVAL)
USN-534-1 (UBUNTU)
FEDORA-2007-725 (FEDORA)
CVE: CVE-2007-3108
CVE: CVE-2007-3108
Id:
CVE-2007-3108
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3108
Comment
: The BN_from_montgomery function in crypto/bn/bn_mont.c in OpenSSL 0.9.8e and earlier does not properly perform Montgomery multiplication, which might allow local users to conduct a side-channel attack and retrieve RSA private keys.
CVSSv2 Score:
1.2
Access vector:
LOCAL
Access complexity:
HIGH
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:H/Au:N/C:P/I:N/A:N
CWE:
CWE-Other ()
References:
http://cvs.openssl.org/chngview?cn=16275 (CONFIRM)
[Security-announce] 20080107 VMSA-2008-0001 Moderate OpenPegasus PAM Authentication Buffer Overflow and updated service console packages (MLIST)
http://openssl.org/news/patch-CVE-2007-3108.txt (CONFIRM)
26411 (SECUNIA)
26893 (SECUNIA)
27021 (SECUNIA)
27078 (SECUNIA)
27097 (SECUNIA)
27205 (SECUNIA)
27330 (SECUNIA)
27770 (SECUNIA)
27870 (SECUNIA)
28368 (SECUNIA)
30161 (SECUNIA)
30220 (SECUNIA)
31467 (SECUNIA)
31489 (SECUNIA)
31531 (SECUNIA)
GLSA-200710-06 (GENTOO)
http://support.attachmate.com/techdocs/2374.html (CONFIRM)
http://support.avaya.com/elmodocs2/security/ASA-2007-485.htm (CONFIRM)
http://www.bluecoat.com/support/securityadvisories/advisory_openssl_rsa_key_reconstruction_vulnerability (CONFIRM)
DSA-1571 (DEBIAN)
GLSA-200805-07 (GENTOO)
VU#724968 (CERT-VN)
http://www.kb.cert.org/vuls/id/RGII-74KLP3 (CONFIRM)
MDKSA-2007:193 (MANDRIVA)
RHSA-2007:0813 (REDHAT)
RHSA-2007:0964 (REDHAT)
RHSA-2007:1003 (REDHAT)
20070813 FLEA-2007-0043-1 openssl (BUGTRAQ)
20080108 VMSA-2008-0001 Moderate OpenPegasus PAM Authentication Buffer Overflow and updated service console packages (BUGTRAQ)
20080123 UPDATED VMSA-2008-0001.1 Moderate OpenPegasus PAM Authentication Buffer Overflow and updated service console packages (BUGTRAQ)
25163 (BID)
http://www.vmware.com/security/advisories/VMSA-2008-0001.html (CONFIRM)
http://www.vmware.com/security/advisories/VMSA-2008-0013.html (CONFIRM)
ADV-2007-2759 (VUPEN)
ADV-2007-4010 (VUPEN)
ADV-2008-0064 (VUPEN)
ADV-2008-2361 (VUPEN)
ADV-2008-2362 (VUPEN)
ADV-2008-2396 (VUPEN)
https://issues.rpath.com/browse/RPL-1613 (CONFIRM)
https://issues.rpath.com/browse/RPL-1633 (CONFIRM)
oval:org.mitre.oval:def:9984 (OVAL)
USN-522-1 (UBUNTU)
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