Bug 1528402

Summary: thunderbird-enigmail: Multiple flaws fixed in 1.9.9
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: urgent Docs Contact:
Priority: urgent    
Version: unspecifiedCC: lupinix.fedora, psampaio
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Fixed In Version: enigmail 1.9.9 Doc Type: If docs needed, set a value
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Last Closed: 2019-06-08 03:34:48 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 1528403, 1528404    
Bug Blocks:    

Description Pedro Sampaio 2017-12-21 19:06:24 UTC 
https://www.enigmail.net/index.php/en/download/changelog#enig1.9.9
enigmail released 2017-12-19 fixes security vulnerabilities discovered by Cure53.
https://www.enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf

TBE-01-002 Enigmail: Weak Parsing Causes Confidentiality Compromise

Enigmail can be coerced to use a malicious PGP public key with a corresponding secret key controlled by an attacker.

Problem in funcs.jm strimEmail e.g.
<good,><evil>

TBE-01-005 Enigmail: Replay of encrypted Contents leads to Plaintext Leak 

* an e-mail block is encrypted to the victim but not readable to attacker
* encrypted data block into the email’s body and send to victim (e.g. down in the thread)
* e-mail is decrypted by victim and sent in reply in clear

TBE-01-021 Enigmail: Flawed parsing allows faked Signature Display 

* display issue with signed attachments

TBE-01-001 Enigmail: Insecure Random Secret Generation 

1.9.8.3 does not have the pEp code yet..

TBE-01-003 Enigmail: Regular Expressions Exploitable for Denial of Service 

DOS regex parsing issue finding the block begin headers


Overall fix:
https://sourceforge.net/p/enigmail/source/ci/9cd82c5bd7b816525a85eb0d8ddf3accd96097f9

Affects 1.9.8.3, fixed in 1.9.9
Comment 1 Pedro Sampaio 2017-12-21 19:06:56 UTC 
Created thunderbird-enigmail tracking bugs for this issue:

Affects: epel-7 [bug 1528404]
Affects: fedora-all [bug 1528403]
Comment 4 Product Security DevOps Team 2019-06-08 03:34:48 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.