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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:16493
[Eng]
Version
3
Class
patch
ALTXid
169747
Language
Russian
Severity
High
Title
Обновление DSA-4070-1 enigmail -- обновление безопасности
Description
В Enigmail, расширении OpenPGP для Thunderbird, были обнаружены многочисленные уязвимости, которые могут приводить к потере секретности, поддельным подписям,
утечкам в виде обычного текста и отказам в обслуживании.
Family
unix
Platform
Debian 8
Debian 9
Product
enigmail
Reference
VENDOR: DSA-4070-1
VENDOR: DSA-4070-1
Id:
DSA-4070-1
Reference:
https://www.debian.org/security/dsa-4070
CVE: CVE-2017-17843
CVE: CVE-2017-17843
Id:
CVE-2017-17843
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17843
Comment
: An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSSv3 Score:
5.9
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
HIGH
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
References:
DSA-4070 (DEBIAN)
https://lists.debian.org/debian-security-announce/2017/msg00333.html (MISC)
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf (MISC)
[debian-lts-announce] 20171223 [SECURITY] [DLA 1219-1] enigmail security update (MLIST)
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html ()
CVE: CVE-2017-17844
CVE: CVE-2017-17844
Id:
CVE-2017-17844
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17844
Comment
: An issue was discovered in Enigmail before 1.9.9. A remote attacker can obtain cleartext content by sending an encrypted data block (that the attacker cannot directly decrypt) to a victim, and relying on the victim to automatically decrypt that block and then send it back to the attacker as quoted text, aka the TBE-01-005 "replay" issue.
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:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE:
319 (Cleartext Transmission of Sensitive Information)
References:
DSA-4070 (DEBIAN)
https://lists.debian.org/debian-security-announce/2017/msg00333.html (MISC)
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf (MISC)
[debian-lts-announce] 20171223 [SECURITY] [DLA 1219-1] enigmail security update (MLIST)
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html ()
CVE: CVE-2017-17845
CVE: CVE-2017-17845
Id:
CVE-2017-17845
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17845
Comment
: An issue was discovered in Enigmail before 1.9.9. Improper Random Secret Generation occurs because Math.Random() is used by pretty Easy privacy (pEp), aka TBE-01-001.
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:
7.3
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE:
338 (Use of Cryptographically Weak PRNG)
References:
DSA-4070 (DEBIAN)
https://lists.debian.org/debian-security-announce/2017/msg00333.html (MISC)
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf (MISC)
[debian-lts-announce] 20171223 [SECURITY] [DLA 1219-1] enigmail security update (MLIST)
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html ()
CVE: CVE-2017-17846
CVE: CVE-2017-17846
Id:
CVE-2017-17846
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17846
Comment
: An issue was discovered in Enigmail before 1.9.9. Regular expressions are exploitable for Denial of Service, because of attempts to match arbitrarily long strings, aka TBE-01-003.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
20 (Improper Input Validation)
References:
DSA-4070 (DEBIAN)
https://lists.debian.org/debian-security-announce/2017/msg00333.html (MISC)
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf (MISC)
[debian-lts-announce] 20171223 [SECURITY] [DLA 1219-1] enigmail security update (MLIST)
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html ()
CVE: CVE-2017-17847
CVE: CVE-2017-17847
Id:
CVE-2017-17847
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17847
Comment
: An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachment that is a signed e-mail message in message/rfc822 format.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
HIGH
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE:
347 (Improper Verification of Cryptographic Signature)
References:
DSA-4070 (DEBIAN)
https://sourceforge.net/p/enigmail/bugs/709/ (MISC)
https://lists.debian.org/debian-security-announce/2017/msg00333.html (MISC)
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf (MISC)
[debian-lts-announce] 20171223 [SECURITY] [DLA 1219-1] enigmail security update (MLIST)
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html ()
CVE: CVE-2017-17848
CVE: CVE-2017-17848
Id:
CVE-2017-17848
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17848
Comment
: An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
HIGH
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE:
347 (Improper Verification of Cryptographic Signature)
References:
DSA-4070 (DEBIAN)
https://sourceforge.net/p/enigmail/bugs/709/ (MISC)
https://lists.debian.org/debian-security-announce/2017/msg00333.html (MISC)
[debian-lts-announce] 20171223 [SECURITY] [DLA 1219-1] enigmail security update (MLIST)
[oss-security] 20190430 Spoofing OpenPGP and S/MIME Signatures in Emails (multiple clients) (MLIST)
20190430 OpenPGP and S/MIME signature forgery attacks in multiple email clients (FULLDISC)
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html (MISC)
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf (MISC)
https://github.com/RUB-NDS/Johnny-You-Are-Fired (MISC)
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