Vulnerability Details : CVE-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 other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2015-2059
Probability of exploitation activity in the next 30 days: 0.93%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 81 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2015-2059
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
CWE ids for CVE-2015-2059
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-2059
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http://www.debian.org/security/2016/dsa-3578
Debian -- Security Information -- DSA-3578-1 libidn
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http://lists.opensuse.org/opensuse-updates/2015-07/msg00042.html
openSUSE-SU-2015:1261-1: moderate: Security update for libidnThird Party Advisory
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http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
openSUSE-SU-2016:2135-1: moderate: Security update for libidn
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http://www.securityfocus.com/bid/72736
jabberd CVE-2015-2059 Out of Bounds Read Memory Corruption Vulnerability
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http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162537.html
[SECURITY] Fedora 21 Update: libidn-1.31-1.fc21Third Party Advisory
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http://www.openwall.com/lists/oss-security/2015/02/23/25
oss-security - Re: CVE Request: jabberd remote information disclosureMailing List;Third Party Advisory
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http://www.ubuntu.com/usn/USN-3068-1
USN-3068-1: Libidn vulnerabilities | Ubuntu security notices
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https://github.com/jabberd2/jabberd2/issues/85
Stringprep calls may reveal random memory · Issue #85 · jabberd2/jabberd2 · GitHubPatch;Issue Tracking;Third Party Advisory
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http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162549.html
[SECURITY] Fedora 22 Update: libidn-1.31-1.fc22Third Party Advisory
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http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=2e97c279
libidn.git - GNU libidnPatch;Issue Tracking
Products affected by CVE-2015-2059
- cpe:2.3:a:gnu:libidn:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*