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August 2012

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[jlieskov@redhat.com: [oss-security] CVE Request -- glibc: Integer overflows, leading to stack-based buffer overflows in strto* related routines]
by Fredrik Rinnestam 13 Aug '12

13 Aug '12

----- Forwarded message from Jan Lieskovsky <jlieskov(a)redhat.com> ----- Date: Mon, 13 Aug 2012 06:52:23 -0400 (EDT) From: Jan Lieskovsky <jlieskov(a)redhat.com> To: "Steven M. Christey" <coley(a)linus.mitre.org> Cc: oss-security(a)lists.openwall.com, "Joseph S. Myers" <joseph(a)codesourcery.com>, Jeff Law <law(a)redhat.com> Subject: [oss-security] CVE Request -- glibc: Integer overflows, leading to stack-based buffer overflows in strto* related routines X-Mailer: Zimbra 7.2.0_GA_2669 (ZimbraWebClient - FF3.0 (Linux)/7.2.0_GA_2669) Hello Kurt, Steve, vendors, multiple integer overflows, leading to stack-based buffer overflows were found in various stdlib functions of GNU libc (strtod, strtof, strtold, strtod_l and related routines). If an application, using the affected stdlib functions, did not perform user-level sanitization of provided inputs, a local attacker could use this flaw to cause such an application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. Upstream bug report: [1] http://sourceware.org/bugzilla/show_bug.cgi?id=14459 Upstream patch (might not be the final one): [2] http://sourceware.org/ml/libc-alpha/2012-08/msg00202.html References: [3] https://bugzilla.redhat.com/show_bug.cgi?id=847715 Could you allocate a CVE id for this? Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat Security Response Team ----- End forwarded message ----- -- Fredrik Rinnestam

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