CVE-2016-6293
The uloc_acceptLanguageFromHTTP function in common/uloc.cpp in International Components for Unicode (ICU) through 57.1 for C/C++ does not ensure that there is a '\0' character at the end of a certain temporary array, which allows remote attackers to…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The uloc_acceptLanguageFromHTTP function in common/uloc.cpp in International Components for Unicode (ICU) through 57.1 for C/C++ does not ensure that there is a '\0' character at the end of a certain temporary array, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a call with a long httpAcceptLanguage argument.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.96% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- icu-project/international components for unicode
- Source
- cve@mitre.org
References
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aa82e99ed8003c01f1ef4f0940e56b85c5b032d4
- http://openwall.com/lists/oss-security/2016/07/24/2Mailing List
- http://www.securityfocus.com/bid/92127Third Party Advisory, VDB Entry
- https://bugs.php.net/72533Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201701-58Third Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aa82e99ed8003c01f1ef4f0940e56b85c5b032d4
- http://openwall.com/lists/oss-security/2016/07/24/2Mailing List
- http://www.securityfocus.com/bid/92127Third Party Advisory, VDB Entry
- https://bugs.php.net/72533Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201701-58Third Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.