Bug 1295869 (CVE-2016-1494) - CVE-2016-1494 python-rsa: Signature forgery using Bleichenbacher'06 attack
Summary: CVE-2016-1494 python-rsa: Signature forgery using Bleichenbacher'06 attack
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2016-1494
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1295870 1295871
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-01-05 16:16 UTC by Adam Mariš
Modified: 2021-02-17 04:34 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-06-08 02:47:07 UTC
Embargoed:

Attachments (Terms of Use)

Description Adam Mariš 2016-01-05 16:16:50 UTC 
It was found that python-rsa is vulnerable to Bleichenbacher'06 attack, allowing attacker to fake signatures for any public key with low exponent.

Upstream patch:

https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff

CVE assignment:

http://seclists.org/oss-sec/2016/q1/18

External reference:

https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/
Comment 1 Adam Mariš 2016-01-05 16:17:18 UTC 
Created python-rsa tracking bugs for this issue:

Affects: fedora-all [bug 1295870]
Affects: epel-all [bug 1295871]
Comment 2 Product Security DevOps Team 2019-06-08 02:47:07 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.
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