Date: Thu, 07 Feb 2013 23:16:41 -0700 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: A small backlog of vulnerabilities in Chicken Scheme -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 02/06/2013 07:29 PM, Kurt Seifried wrote: > Sorry for the delay, it's been a crazy couple of weeks. > > On 02/02/2013 06:59 AM, Peter Bex wrote: >> Hello all, > >> Recently a handful of security bugs have been found and fixed in >> the Chicken Scheme compiler (http://www.call-cc.org). We (the >> core team) have decided we'd like to start using CVE identifiers >> for the benefit of our users and distributions. > >> I'd like to request CVEs for the currently known security bugs: > >> * POSIX select() buffer overrun, fixed on in Chicken 4.8.2 >> (development snapshot) by switching to POSIX poll() on platforms >> where supported. This is also fixed in 18.104.22.168 (stability >> release). > >> Original announcement, with workaround (followed by preliminary >> patch): >> http://lists.nongnu.org/archive/html/chicken-users/2012-06/msg00031.html > >> > > Final patch: >> http://lists.nongnu.org/archive/html/chicken-hackers/2012-11/msg00075.html > >> > Can > > you list the versions released that included the broken and correct > patch? thanks. Please use CVE-2012-6122 for this issue. >> * Poisoned NUL byte injection due to incomplete protection by >> missing checks in some procedures, fixed in Chicken 4.8.0: >> http://lists.nongnu.org/archive/html/chicken-users/2012-09/msg00004.html Please >> use CVE-2012-6123 for this issue. >> * Broken randomization procedure on 64-bit platforms (it >> returned a constant value). This function wasn't used for >> security purposes (and is advertised as being unsuitable), so I'm >> unsure a CVE is needed: >> http://lists.nongnu.org/archive/html/chicken-hackers/2012-02/msg00084.html > >> > Fixed in 4.8.0. > > no problem here, will assign once other Q's are answered. Please use CVE-2012-6124 for this issue. >> * Vulnerability to algorithmic complexity attacks due to hash >> table collisions. Fixed in 4.8.0. First public confirmation of >> the issue, with preliminary (broken) patch: >> http://lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00002.html > >> > > > Proper fix: >> http://lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00020.html > >> > Can > > you list the versions released that included the broken and correct > patch? thanks. Please use CVE-2012-6125 for this issue. >> Please let me know if more info is required or if this is even >> the proper way to request CVEs. > >> I'd also like to know if it's possible to get CVE numbers >> assigned *before* issuing a security advisory, but without >> immediate full disclosure, so an initial advisory can be complete >> with CVE number. > > Yup see the HOWTO. Initially I'll require full info up front to > make sure CVE split/merge is done correct, but this wouldn't go > past me, and if you can't trust me, well, then you go to Mitre I > guess =). Longer term depends on the quality of CVE requests, > basically if you learn to do them right and do them consistently > right I'll require less info/trust you. > >> The CVE can be updated afterwards with the link to the advisory >> when it is issued. This should make it easier for users to find >> information about the bug. This list's Openwall wiki seems to >> imply that it's only possible to request a CVE for an issue >> given all the information immediately, but a recent message from >> Kurt Seifried in a thread about Jenkins says that it can be done. >> If it's indeed okay to e-mail Kurt directly, it would be helpful >> to include this in the documentation wiki. > >> Finally, how do CVE entries in MITRE and/or the NVD get updated? >> I couldn't find anything about this in the FAQ. For example, if >> we find and fix a noncritical vulnerability but the fix is rather >> complicated and needs to be thoroughly tested, the fix might >> appear in a release after CVE and advisory are issued. How will >> this be reflected in the information once the version in which >> the fix appears is finally known? email cve-assign@...re.org for all these things. I just assign CVE's, Mitre handles the entries/write ups/database/etc. > >> Cheers, Peter Bex (on behalf of the Chicken core team) > > > > - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQIcBAEBAgAGBQJRFJhJAAoJEBYNRVNeJnmT7igQAJQrz3PJFRZd5BjHN3ys9rHa jJfH1KZw7509azbG1O4/JvsXbgXM/5LgysQa70Z68azfhQXjNAruMxdnYq6fdWPN rc8Tkv6ECskdLPuRrnsoJp6Qf4W3iocmnXFLqbmxq/VvG4yqFvQpCXriVDEeplLH VddOO9WOq07ruFnfvom1i2HYTRtYq1LnJPUCslyU8hM+L5PeFL1jZYhvtT1eZcAh 7x+XChglIZCFg0X92Si3egPwUZc3Hbe/oXijn+wiILkVgIpGbCU7MPIJ3CS9OLUm Snmj99i8Tm+3S47NBh13OJEmERJ7Lwd9SP5mAcQX9YCVYy6Oggne9YuuCSbLH4pi iy7DQB4+zAv8v1Lj4b8UikStshH94bM0soqn+Pc/LJOfG0hUnkVT/xetgKuYLN0S yLBiGHyIrC+RJcazl1sXetL3FtpXtgLei3BIdhNhr13IZ6xfEQQ9S5pc9RDs0cRu U8ZlVdeVUVql0s0uw59p498qyDmd8sXWt9Yk0PYQulgS6TQ8aHo3mop1JnbSpYzY RGg7GGVYeQHyTDw77Wo3R3m4bpmF2JC8iQDwnKNjPSo2NEWxsY1zT8Ugk3HQJRC2 q04wuonBbIZXtJb5WWm1UJcLD5O3xVlR5ic7LEkVX6JXewliTuNLqqV4sSYMVYXT E7Zu5gMQIKL6niPdWF6s =KCO9 -----END PGP SIGNATURE-----
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