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CVE-2012-3480

Status Candidate

Overview

Multiple integer overflows in the (1) strtod, (2) strtof, (3) strtold, (4) strtod_l, and other unspecified "related functions" in stdlib in GNU C Library (aka glibc or libc6) 2.16 allow local users to cause a denial of service (application crash) and possibly execute arbitrary code via a long string, which triggers a stack-based buffer overflow.

Related Files

Gentoo Linux Security Advisory 201503-04
Posted Mar 9, 2015
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201503-4 - Multiple vulnerabilities have been found in GNU C Library, the worst of which allowing a local attacker to execute arbitrary code or cause a Denial of Service. Versions less than 2.19-r1 are affected.

tags | advisory, denial of service, arbitrary, local, vulnerability
systems | linux, gentoo
advisories | CVE-2012-3404, CVE-2012-3405, CVE-2012-3406, CVE-2012-3480, CVE-2012-4412, CVE-2012-4424, CVE-2012-6656, CVE-2013-0242, CVE-2013-1914, CVE-2013-2207, CVE-2013-4237, CVE-2013-4332, CVE-2013-4458, CVE-2013-4788, CVE-2014-4043, CVE-2015-0235
SHA-256 | 3be887081cfadc048cd5dd2fed5fc98110f1b24cf929e8adeeecd9c308657613
Mandriva Linux Security Advisory 2013-162
Posted May 8, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-162 - Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct format string attacks, and write to arbitrary memory via a large number of arguments. Multiple errors in glibc's formatted printing functionality could allow an attacker to bypass FORTIFY_SOURCE protections and execute arbitrary code using a format string flaw in an application, even though these protections are expected to limit the impact of such flaws to an application abort. Various other issues were also addressed. The updated packages have been patched to correct these issues.

tags | advisory, overflow, arbitrary
systems | linux, mandriva
advisories | CVE-2012-0864, CVE-2012-3404, CVE-2012-3405, CVE-2012-3406, CVE-2012-3480, CVE-2013-0242, CVE-2013-1914
SHA-256 | 813cdf2b71f75914d833c5f26c1da07143f7dab6acfaf1fa4b28d8655d95c6f1
VMware Security Advisory 2012-0018
Posted Dec 22, 2012
Authored by VMware | Site vmware.com

VMware Security Advisory 2012-0018 - VMware has updated vCenter Server Appliance (vCSA) and ESX to address multiple security vulnerabilities

tags | advisory, vulnerability
advisories | CVE-2009-5029, CVE-2009-5064, CVE-2010-0830, CVE-2011-1089, CVE-2011-4609, CVE-2012-0864, CVE-2012-3404, CVE-2012-3405, CVE-2012-3406, CVE-2012-3480, CVE-2012-6324, CVE-2012-6325
SHA-256 | 5958a8d3c043ccefcc3a201b608716a1794533bf0435f23283de8791e9c1fe42
Ubuntu Security Notice USN-1589-2
Posted Dec 18, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1589-2 - USN-1589-1 fixed vulnerabilities in the GNU C Library. One of the updates exposed a regression in the floating point parser. This update fixes the problem. It was discovered that positional arguments to the printf() family of functions were not handled properly in the GNU C Library. An attacker could possibly use this to cause a stack-based buffer overflow, creating a denial of service or possibly execute arbitrary code. It was discovered that multiple integer overflows existed in the strtod(), strtof() and strtold() functions in the GNU C Library. An attacker could possibly use this to trigger a stack-based buffer overflow, creating a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2012-3480, CVE-2012-3480
SHA-256 | 5ede9c10aca0d60fd34b94b3e266cb77e4930fe9a283734c9b84820f56b74a90
Red Hat Security Advisory 2012-1325-01
Posted Oct 2, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1325-01 - The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine hypervisor. A flaw was found in the way QEMU handled VT100 terminal escape sequences when emulating certain character devices. A guest user with privileges to write to a character device that is emulated on the host using a virtual console back-end could use this flaw to crash the qemu-kvm process on the host or, possibly, escalate their privileges on the host.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2012-3480, CVE-2012-3515
SHA-256 | 944168e949627ab2a24f35e55778352642902fc4e44ebfab3c03a60103a92ae1
Ubuntu Security Notice USN-1589-1
Posted Oct 2, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1589-1 - It was discovered that positional arguments to the printf() family of functions were not handled properly in the GNU C Library. An attacker could possibly use this to cause a stack-based buffer overflow, creating a denial of service or possibly execute arbitrary code. It was discovered that multiple integer overflows existed in the strtod(), strtof() and strtold() functions in the GNU C Library. An attacker could possibly use this to trigger a stack-based buffer overflow, creating a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary
systems | linux, ubuntu
advisories | CVE-2012-3480, CVE-2012-3404, CVE-2012-3405, CVE-2012-3406, CVE-2012-3480
SHA-256 | 73731eada13fddfe11578fc5d8c3b527a24161804876367868406d482b646990
Red Hat Security Advisory 2012-1262-01
Posted Sep 14, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1262-01 - The rhev-hypervisor5 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent. Note: Red Hat Enterprise Virtualization Hypervisor is only available for the Intel 64 and AMD64 architectures with virtualization extensions. A flaw was found in the way QEMU handled VT100 terminal escape sequences when emulating certain character devices. A guest user with privileges to write to a character device that is emulated on the host using a virtual console back-end could use this flaw to crash the qemu-kvm process on the host or, possibly, escalate their privileges on the host.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2012-3480, CVE-2012-3515
SHA-256 | 11979e71f57cd7fa51e61d9196b4b841df1d1259804ccd26b3beef5ccec7db4a
Slackware Security Advisory - glibc Updates
Posted Sep 4, 2012
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New glibc packages are available for Slackware 13.1, 13.37, and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2012-3480
SHA-256 | ce2eb70555a7a690ef70ee9e770fa551720dda99b8847087ddca29ce47dbea3b
Red Hat Security Advisory 2012-1208-01
Posted Aug 28, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1208-01 - The glibc packages provide the standard C and standard math libraries used by multiple programs on the system. Without these libraries, the Linux system cannot function properly. Multiple integer overflow flaws, leading to stack-based buffer overflows, were found in glibc's functions for converting a string to a numeric representation, strtof(), and strtold()). If an application used such a function on attacker controlled input, it could cause the application to crash or, potentially, execute arbitrary code.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2012-3480
SHA-256 | 38c44f4e936f0865b778142043b48db215db036dcbf8504a5069e55ff3a39a6f
Red Hat Security Advisory 2012-1207-01
Posted Aug 28, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1207-01 - The glibc packages provide the standard C and standard math libraries used by multiple programs on the system. Without these libraries, the Linux system cannot function properly. Multiple integer overflow flaws, leading to stack-based buffer overflows, were found in glibc's functions for converting a string to a numeric representation, strtof(), and strtold()). If an application used such a function on attacker controlled input, it could cause the application to crash or, potentially, execute arbitrary code.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2012-3480
SHA-256 | b5de128de66826d4c69f820bb04f1b9544c7f8570dc56e96ecddcddd2799a810
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