CVE-2012-6656
published 2014-12-05CVE-2012-6656: iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a…
PriorityP423medium5CVSS 2.0
AVNACLAuNCNINAP
EPSS
3.44%
87.7th percentile
iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | glibc | < glibc 2.17-1 (bookworm) | glibc 2.17-1 (bookworm) |
| eglibc | eglibc | >= 0 < 2.19-0ubuntu6.4 | 2.19-0ubuntu6.4 |
| gnu | glibc | <= 2.16 | — |
| gnu | glibc | >= 0 < 2.17-1 | 2.17-1 |
| gnu | glibc | >= 0 < 2.17-1 | 2.17-1 |
| gnu | glibc | >= 0 < 2.17-1 | 2.17-1 |
| gnu | glibc | >= 0 < 2.17-1 | 2.17-1 |
CVSS provenance
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv5.0MEDIUM
vendor_debian5.0MEDIUM
vendor_redhat5.0MEDIUM
vendor_ubuntu5.0MEDIUM
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GHSA
GHSA-g6fx-pmc7-2qhp: iconvdata/ibm930
ghsa_unreviewed·2022-05-17
CVE-2012-6656 [MEDIUM] CWE-20 GHSA-g6fx-pmc7-2qhp: iconvdata/ibm930
iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.
OSV
CVE-2012-6656: iconvdata/ibm930
osv·2014-12-05·CVSS 5.0
CVE-2012-6656 [MEDIUM] CVE-2012-6656: iconvdata/ibm930
iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.
OSV
eglibc, glibc vulnerabilities
osv·2014-12-03·CVSS 5.0
CVE-2012-6656 [MEDIUM] eglibc, glibc vulnerabilities
eglibc, glibc vulnerabilities
Siddhesh Poyarekar discovered that the GNU C Library incorrectly handled
certain multibyte characters when using the iconv function. An attacker
could possibly use this issue to cause applications to crash, resulting in
a denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu
12.04 LTS. (CVE-2012-6656)
Adhemerval Zanella Netto discovered that the GNU C Library incorrectly
handled certain multibyte characters when using the iconv function. An
attacker could possibly use this issue to cause applications to crash,
resulting in a denial of service. (CVE-2014-6040)
Tim Waugh discovered that the GNU C Library incorrectly enforced the
WRDE_NOCMD flag when handling the wordexp function. An attacker could
possibly use this issue to execute arbitrary
Ubuntu
GNU C Library vulnerabilities
vendor_ubuntu·2014-12-03·CVSS 5.0
CVE-2012-6656 [MEDIUM] GNU C Library vulnerabilities
Title: GNU C Library vulnerabilities
Summary: The GNU C Library could be made to crash or run programs.
Siddhesh Poyarekar discovered that the GNU C Library incorrectly handled
certain multibyte characters when using the iconv function. An attacker
could possibly use this issue to cause applications to crash, resulting in
a denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu
12.04 LTS. (CVE-2012-6656)
Adhemerval Zanella Netto discovered that the GNU C Library incorrectly
handled certain multibyte characters when using the iconv function. An
attacker could possibly use this issue to cause applications to crash,
resulting in a denial of service. (CVE-2014-6040)
Tim Waugh discovered that the GNU C Library incorrectly enforced the
WRDE_NOCMD flag when handling the worde
Red Hat
glibc: crash in IBM930 decoding
vendor_redhat·2012-05-23·CVSS 5.0
CVE-2012-6656 [MEDIUM] CWE-119 glibc: crash in IBM930 decoding
glibc: crash in IBM930 decoding
iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.
Statement: Not vulnerable. This issue does not affect the versions of glibc in Red Hat Enterprise Linux 5, 6, or 7.
Package: glibc (Red Hat Enterprise Linux 5) - Not affected
Package: glibc (Red Hat Enterprise Linux 6) - Not affected
Package: glibc (Red Hat Enterprise Linux 7) - Not affected
Debian
CVE-2012-6656: glibc - iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-depen...
vendor_debian·2012·CVSS 5.0
CVE-2012-6656 [MEDIUM] CVE-2012-6656: glibc - iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-depen...
iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.
Scope: local
bookworm: resolved (fixed in 2.17-1)
bullseye: resolved (fixed in 2.17-1)
forky: resolved (fixed in 2.17-1)
sid: resolved (fixed in 2.17-1)
trixie: resolved (fixed in 2.17-1)
No detection rules found.
No public exploits indexed.
http://www.debian.org/security/2015/dsa-3142http://www.mandriva.com/security/advisories?name=MDVSA-2014:175http://www.openwall.com/lists/oss-security/2014/08/29/3http://www.openwall.com/lists/oss-security/2014/09/02/1http://www.securityfocus.com/bid/69472http://www.ubuntu.com/usn/USN-2432-1https://security.gentoo.org/glsa/201503-04https://sourceware.org/bugzilla/show_bug.cgi?id=14134https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5http://www.debian.org/security/2015/dsa-3142http://www.mandriva.com/security/advisories?name=MDVSA-2014:175http://www.openwall.com/lists/oss-security/2014/08/29/3http://www.openwall.com/lists/oss-security/2014/09/02/1http://www.securityfocus.com/bid/69472http://www.ubuntu.com/usn/USN-2432-1https://security.gentoo.org/glsa/201503-04https://sourceware.org/bugzilla/show_bug.cgi?id=14134https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5
2014-12-05
Published