OPENSUSE-SU-2018:1329-1
Vulnerability from csaf_opensuse - Published: 2018-05-17 11:35 - Updated: 2018-05-17 11:35Summary
Security update for enigmail
Severity
Moderate
Notes
Title of the patch: Security update for enigmail
Description of the patch: This update for enigmail to version 2.0.4 fixes multiple issues.
Security issues fixed:
- CVE-2017-17688: CFB gadget attacks allowed to exfiltrate plaintext out of encrypted emails.
enigmail now fails on GnuPG integrity check warnings for old Algorithms (bsc#1093151)
- CVE-2017-17689: CBC gadget attacks allows to exfiltrate plaintext out of encrypted emails (bsc#1093152)
This update also includes new and updated functionality:
- The Encryption and Signing buttons now work for both OpenPGP and S/MIME.
Enigmail will chose between S/MIME or OpenPGP depending on whether the keys
for all recipients are available for the respective standard
- Support for the Autocrypt standard, which is now enabled by default
- Support for Pretty Easy Privacy (p≡p)
- Support for Web Key Directory (WKD)
- The message subject can now be encrypted and replaced with a dummy subject,
following the Memory Hole standard forprotected Email Headers
- keys on keyring are automatically refreshed from keyservers at irregular intervals
- Subsequent updates of Enigmail no longer require a restart of Thunderbird
- Keys are internally addressed using the fingerprint instead of the key ID
Patchnames: openSUSE-2018-470
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
5.9 (Medium)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
5.9 (Medium)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
References
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"text": "This update for enigmail to version 2.0.4 fixes multiple issues.\n\nSecurity issues fixed:\n\n- CVE-2017-17688: CFB gadget attacks allowed to exfiltrate plaintext out of encrypted emails.\n enigmail now fails on GnuPG integrity check warnings for old Algorithms (bsc#1093151)\n- CVE-2017-17689: CBC gadget attacks allows to exfiltrate plaintext out of encrypted emails (bsc#1093152)\n\nThis update also includes new and updated functionality:\n\n- The Encryption and Signing buttons now work for both OpenPGP and S/MIME.\n Enigmail will chose between S/MIME or OpenPGP depending on whether the keys\n for all recipients are available for the respective standard\n- Support for the Autocrypt standard, which is now enabled by default\n- Support for Pretty Easy Privacy (p\u2261p)\n- Support for Web Key Directory (WKD)\n- The message subject can now be encrypted and replaced with a dummy subject,\n following the Memory Hole standard forprotected Email Headers\n- keys on keyring are automatically refreshed from keyservers at irregular intervals\n- Subsequent updates of Enigmail no longer require a restart of Thunderbird \n- Keys are internally addressed using the fingerprint instead of the key ID",
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"text": "The OpenPGP specification allows a Cipher Feedback Mode (CFB) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL. NOTE: third parties report that this is a problem in applications that mishandle the Modification Detection Code (MDC) feature or accept an obsolete packet type, not a problem in the OpenPGP specification",
"title": "CVE description"
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"title": "CVE-2017-17689"
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]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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