Bug 1211260 (CVE-2016-4354, CVE-2016-4355) - CVE-2016-4354 CVE-2016-4355 libksba: integer overflow in the BER decoder src/ber-decoder.c (ber_decoder_s)
Summary: CVE-2016-4354 CVE-2016-4355 libksba: integer overflow in the BER decoder src/...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2016-4354, CVE-2016-4355
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: 1211263
Blocks: 1211262
TreeView+ depends on / blocked
 
Reported: 2015-04-13 13:06 UTC by Vasyl Kaigorodov
Modified: 2023-05-22 05:47 UTC (History)
2 users (show)

Fixed In Version: libksba 1.3.3
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-06-11 21:03:59 UTC
Embargoed:

Attachments (Terms of Use)

Description Vasyl Kaigorodov 2015-04-13 13:06:14 UTC 
Version 1.3.3 of libksba fxes an integer overflow in the BER decoder:

http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=aea7b6032865740478ca4b706850a5217f1c3887
Comment 1 Vasyl Kaigorodov 2015-04-13 13:10:27 UTC 
Created libksba tracking bugs for this issue:

Affects: fedora-all [bug 1211263]
Comment 2 Huzaifa S. Sidhpurwala 2015-05-04 03:27:18 UTC 
Statement:

Red Hat Product Security has rated this issue as having moderate security impact, a future update may address this flaw in libksba.
Comment 3 Andrej Nemec 2016-05-02 08:22:51 UTC 
CVE assignments:

http://seclists.org/oss-sec/2016/q2/172

Descriptions:

Use CVE-2016-4354 for the use of an incorrect integer data type.

Use CVE-2016-4355 for the cases in which the code was simply making no
attempt to check for an integer overflow (the "+ 100" cases and the
"+= d->val.length" case).
Comment 5 Product Security DevOps Team 2021-06-11 21:03:59 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2016-4354
https://access.redhat.com/security/cve/cve-2016-4355
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