CVE-2014-4975: Buffer Overflow
First published: Thu Jul 10 2014(Updated: )
A possible stack-based buffer overflow flaw was reported in the Ruby encodes() function from pack.c. From the bug report, this function may be used on data received from a server, and could be triggered remotely. As the affected stack buffer is a static size on the stack, FORTIFY_SOURCE may help mitigate this issue to only be a denial of service. The original report suggests older versions (such as 1.9.3) are not affected. Bug report: <a href="https://bugs.ruby-lang.org/issues/10019">https://bugs.ruby-lang.org/issues/10019</a> CVE request: <a href="http://www.openwall.com/lists/oss-security/2014/07/09/13">http://www.openwall.com/lists/oss-security/2014/07/09/13</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ruby-lang Ruby | <=1.9.3 | |
| Ruby-lang Ruby | =2.0 | |
| Ruby-lang Ruby | =2.0.0 | |
| Ruby-lang Ruby | =2.0.0-p0 | |
| Ruby-lang Ruby | =2.0.0-p195 | |
| Ruby-lang Ruby | =2.0.0-p247 | |
| Ruby-lang Ruby | =2.0.0-preview1 | |
| Ruby-lang Ruby | =2.0.0-preview2 | |
| Ruby-lang Ruby | =2.0.0-rc1 | |
| Ruby-lang Ruby | =2.0.0-rc2 | |
| Ruby-lang Ruby | =2.1 | |
| Ruby-lang Ruby | =2.1-preview1 | |
| Ruby-lang Ruby | =2.1.1 | |
| Ruby-lang Ruby | =2.1.2 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Hpc Node | =7.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| Debian Debian Linux | =7.0 | |
| Debian Debian Linux | =8.0 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =14.10 |
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Reference Links
- http://advisories.mageia.org/MGASA-2014-0472.html
- http://rhn.redhat.com/errata/RHSA-2014-1912.html
- http://rhn.redhat.com/errata/RHSA-2014-1913.html
- http://rhn.redhat.com/errata/RHSA-2014-1914.html
- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=46778
- http://www.debian.org/security/2015/dsa-3157
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:129
- http://www.openwall.com/lists/oss-security/2014/07/09/13
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/68474
- http://www.ubuntu.com/usn/USN-2397-1
- https://bugs.ruby-lang.org/issues/10019
- https://bugzilla.redhat.com/show_bug.cgi?id=1118158
- https://exchange.xforce.ibmcloud.com/vulnerabilities/94706
- https://access.redhat.com/security/cve/CVE-2014-4975
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1118158#c2
- https://bugs.ruby-lang.org/issues/10019#note-6
- http://seclists.org/oss-sec/2014/q3/173
- http://www.ruby-doc.org/core-1.9.3/Array.html#method-i-pack
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1120856
- https://rhn.redhat.com/errata/RHSA-2014-1914.html
- https://rhn.redhat.com/errata/RHSA-2014-1913.html
- https://rhn.redhat.com/errata/RHSA-2014-1912.html
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