Date: Tue, 27 Jan 2015 13:21:21 -0500 (EST) From: cve-assign@...re.org To: Gerhard Rieger <gerhard@...t-unreach.org> cc: oss-security@...ts.openwall.com, cve-assign@...re.org Subject: Re: Socat security advisory 6 - Possible DoS with fork > Socat security advisory 6 - Possible DoS with fork > > Overview > socats signal handler implementations are not async-signal-safe and > can cause crash or freeze of socat processes > > Vulnerability Id: (pending) > > Severity: Low > > Details > Socats signal handler implementations are not asnyc-signal-safe. When > a signal is triggered while the process is within a non > async-signal-safe function the signal handler will call a non > sync-signal-safe function too. POSIX specifies the behaviour in this > situation as undefined. Dependend on involved functions, libraries, > and operating system, the process can continue, freeze, or crash. > Mostly this issue occurs when socat is in listening mode with fork > option and a couple of child processes terminate at the same time. > > Testcase > none > > Affected versions > 188.8.131.52 - 184.108.40.206 > 2.0.0-b1 - 2.0.0-b7 > > Not affected or corrected versions > 220.127.116.11 and later > 2.0.0-b8 (to be released) and later > > Workaround > none > > Download > The updated sources can be downloaded from: > > http://www.dest-unreach.org/socat/download/socat-18.104.22.168.tar.gz > > Credits > Credits to Peter Lobsinger Use CVE-2015-1379. --- CVE assignment team, MITRE CVE Numbering Authority M/S M300 202 Burlington Road, Bedford, MA 01730 USA [ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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