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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 3.19% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- gnu/libidn · opensuse/opensuse · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=2e97c279Issue Tracking, Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162537.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162549.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-07/msg00042.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
- http://www.debian.org/security/2016/dsa-3578
- http://www.openwall.com/lists/oss-security/2015/02/23/25Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/72736
- http://www.ubuntu.com/usn/USN-3068-1
- https://github.com/jabberd2/jabberd2/issues/85Issue Tracking, Patch, Third Party Advisory
- http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=2e97c279Issue Tracking, Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162537.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162549.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-07/msg00042.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
- http://www.debian.org/security/2016/dsa-3578
- http://www.openwall.com/lists/oss-security/2015/02/23/25Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/72736
- http://www.ubuntu.com/usn/USN-3068-1
- https://github.com/jabberd2/jabberd2/issues/85Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.