Bug#800564: [php-maint] Bug#800564: php5: trivial hash complexity DoS attack

2016-10-02 Thread brian m. carlson
On Mon, Oct 05, 2015 at 12:32:33AM +0200, Ondřej Surý wrote: > On Mon, Oct 5, 2015, at 00:20, brian m. carlson wrote: > > On Sun, Oct 04, 2015 at 09:55:43PM +0200, Ondřej Surý wrote: > > > Hi Brian, > > > > > > did you already reported this to php security or should I do that? > > > > You should

Bug#800564: [php-maint] Bug#800564: php5: trivial hash complexity DoS attack

2015-10-04 Thread Ondřej Surý
On Mon, Oct 5, 2015, at 00:20, brian m. carlson wrote: > On Sun, Oct 04, 2015 at 09:55:43PM +0200, Ondřej Surý wrote: > > Hi Brian, > > > > did you already reported this to php security or should I do that? > > You should probably do that. I already did. > I didn't contact PHP Security or the >

Bug#800564: [php-maint] Bug#800564: php5: trivial hash complexity DoS attack

2015-10-04 Thread brian m. carlson
On Sun, Oct 04, 2015 at 09:55:43PM +0200, Ondřej Surý wrote: > Hi Brian, > > did you already reported this to php security or should I do that? You should probably do that. I didn't contact PHP Security or the Debian Security Team because I expect that due to similar vulnerabilities in other lan

Bug#800564: [php-maint] Bug#800564: php5: trivial hash complexity DoS attack

2015-10-04 Thread Ondřej Surý
Hi Brian, did you already reported this to php security or should I do that? Cheers, Ondrej On Fri, Oct 2, 2015, at 14:37, brian m. carlson wrote: > On Wed, Sep 30, 2015 at 11:27:39PM +, brian m. carlson wrote: > > Package: php5-cli > > Version: 5.6.13+dfsg-2 > > Severity: important > > Tag

Bug#800564: php5: trivial hash complexity DoS attack

2015-10-02 Thread brian m. carlson
On Wed, Sep 30, 2015 at 11:27:39PM +, brian m. carlson wrote: > Package: php5-cli > Version: 5.6.13+dfsg-2 > Severity: important > Tags: security > > PHP uses the DJB "times 33" hash to hash strings in its hash tables, > without the use of any secret key. Hash values are therefore the same >

Bug#800564: php5: trivial hash complexity DoS attack

2015-09-30 Thread brian m. carlson
Package: php5-cli Version: 5.6.13+dfsg-2 Severity: important Tags: security PHP uses the DJB "times 33" hash to hash strings in its hash tables, without the use of any secret key. Hash values are therefore the same between multiple invocations. As a result, it's trivial to precompute a set of va