CVE-2015-2059
published 2015-08-12CVE-2015-2059: The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have…
PriorityP335high7.5CVSS 2.0
AVNACLAuNCPIPAP
EPSS
3.19%
86.6th percentile
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libidn | < libidn 1.31-1 (bookworm) | libidn 1.31-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| gnu | libidn | <= 1.30 | — |
| gnu | libidn | >= 0 < 1.31-1 | 1.31-1 |
| gnu | libidn | >= 0 < 1.31-1 | 1.31-1 |
| gnu | libidn | >= 0 < 1.31-1 | 1.31-1 |
| gnu | libidn | >= 0 < 1.31-1 | 1.31-1 |
| gnu | libidn | >= 0 < 1.28-1ubuntu2.1 | 1.28-1ubuntu2.1 |
| gnu | libidn | >= 0 < 1.32-3ubuntu1.1 | 1.32-3ubuntu1.1 |
| opensuse | opensuse | — | — |
| opensuse | opensuse | — | — |
CVSS provenance
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv7.5HIGH
vendor_debian7.5MEDIUM
vendor_redhat7.5HIGH
vendor_ubuntu7.5HIGH
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Ubuntu
Libidn vulnerabilities
vendor_ubuntu·2016-08-24·CVSS 7.5
CVE-2015-2059 [HIGH] Libidn vulnerabilities
Title: Libidn vulnerabilities
Summary: Several security issues were fixed in Libidn.
Thijs Alkemade, Gustavo Grieco, Daniel Stenberg, and Nikos
Mavrogiannopoulos discovered that Libidn incorrectly handled invalid UTF-8
characters. A remote attacker could use this issue to cause Libidn to
crash, resulting in a denial of service, or possibly disclose sensitive
memory. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2015-2059)
Hanno Böck discovered that Libidn incorrectly handled certain input. A
remote attacker could possibly use this issue to cause Libidn to crash,
resulting in a denial of service. (CVE-2015-8948, CVE-2016-6262,
CVE-2016-6261, CVE-2016-6263)
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
libidn: out-of-bounds read with stringprep on invalid UTF-8
vendor_redhat·2015-02-23·CVSS 7.5
CVE-2015-2059 [HIGH] CWE-125 libidn: out-of-bounds read with stringprep on invalid UTF-8
libidn: out-of-bounds read with stringprep on invalid UTF-8
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.
Package: libidn (Red Hat Enterprise Linux 5) - Will not fix
Package: libidn (Red Hat Enterprise Linux 6) - Will not fix
Package: libidn (Red Hat Enterprise Linux 7) - Will not fix
Debian
CVE-2015-2059: libidn - The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, ...
vendor_debian·2015·CVSS 7.5
CVE-2015-2059 [HIGH] CVE-2015-2059: libidn - The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, ...
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.
Scope: local
bookworm: resolved (fixed in 1.31-1)
bullseye: resolved (fixed in 1.31-1)
forky: resolved (fixed in 1.31-1)
sid: resolved (fixed in 1.31-1)
trixie: resolved (fixed in 1.31-1)
GHSA
GHSA-4rq4-pxv8-v7cg: The stringprep_utf8_to_ucs4 function in libin before 1
ghsa_unreviewed·2022-05-14
CVE-2015-2059 [HIGH] CWE-119 GHSA-4rq4-pxv8-v7cg: The stringprep_utf8_to_ucs4 function in libin before 1
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.
OSV
libidn vulnerabilities
osv·2016-08-24·CVSS 7.5
CVE-2015-2059 [HIGH] libidn vulnerabilities
libidn vulnerabilities
Thijs Alkemade, Gustavo Grieco, Daniel Stenberg, and Nikos
Mavrogiannopoulos discovered that Libidn incorrectly handled invalid UTF-8
characters. A remote attacker could use this issue to cause Libidn to
crash, resulting in a denial of service, or possibly disclose sensitive
memory. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2015-2059)
Hanno Böck discovered that Libidn incorrectly handled certain input. A
remote attacker could possibly use this issue to cause Libidn to crash,
resulting in a denial of service. (CVE-2015-8948, CVE-2016-6262,
CVE-2016-6261, CVE-2016-6263)
OSV
CVE-2015-2059: The stringprep_utf8_to_ucs4 function in libin before 1
osv·2015-08-12·CVSS 7.5
CVE-2015-2059 [HIGH] CVE-2015-2059: The stringprep_utf8_to_ucs4 function in libin before 1
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2015-2059 libidn: out-of-bounds read with stringprep on invalid UTF-8 [fedora-all]
bugzilla·2015-03-02·CVSS 7.5
CVE-2015-2059 [HIGH] CVE-2015-2059 libidn: out-of-bounds read with stringprep on invalid UTF-8 [fedora-all]
CVE-2015-2059 libidn: out-of-bounds read with stringprep on invalid UTF-8 [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported ver
Bugzilla
CVE-2015-2059 libidn: out-of-bounds read with stringprep on invalid UTF-8
bugzilla·2015-03-02·CVSS 6.5
CVE-2015-2059 [MEDIUM] CVE-2015-2059 libidn: out-of-bounds read with stringprep on invalid UTF-8
CVE-2015-2059 libidn: out-of-bounds read with stringprep on invalid UTF-8
An out-of-bounds read flaw was found in libidn, which could potentially allow an attacker to disclose sensitive information from an application using the libidn library.
This flaw was identified along with a flaw in jabberd2 (CVE-2015-2058, bug 1191149). MITRE assigned a separate CVE for libidn with the following reasoning:
"""
> The libidn documentation claims "This function will not read or write to
> characters outside that size." about the length of the buffer that needs to
> be specified, but this is not true,
Use CVE-2015-2059 for this libidn out-of-bounds read issue. Possibly
it could be argued that this is a borderline case for a CVE. However,
the documentation says "This function will not read or write t
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=2e97c279http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162537.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-July/162549.htmlhttp://lists.opensuse.org/opensuse-updates/2015-07/msg00042.htmlhttp://lists.opensuse.org/opensuse-updates/2016-08/msg00098.htmlhttp://www.debian.org/security/2016/dsa-3578http://www.openwall.com/lists/oss-security/2015/02/23/25http://www.securityfocus.com/bid/72736http://www.ubuntu.com/usn/USN-3068-1https://github.com/jabberd2/jabberd2/issues/85http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=2e97c279http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162537.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-July/162549.htmlhttp://lists.opensuse.org/opensuse-updates/2015-07/msg00042.htmlhttp://lists.opensuse.org/opensuse-updates/2016-08/msg00098.htmlhttp://www.debian.org/security/2016/dsa-3578http://www.openwall.com/lists/oss-security/2015/02/23/25http://www.securityfocus.com/bid/72736http://www.ubuntu.com/usn/USN-3068-1https://github.com/jabberd2/jabberd2/issues/85
2015-08-12
Published