Vulnerability in Apple Mac OS X
CVE-2014-8147
The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.232 (97.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.234 · newest: 0.232 · change: -0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt (Exploit)
- lists.apple.com/archives/security-announce/2015/Sep/msg00008.html (vendor-advisory, Mailing List)
- www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html (Patch)
- security.gentoo.org/glsa/201507-04 (vendor-advisory, Third Party Advisory)
- www.kb.cert.org/vuls/id/602540 (US Government Resource, Third Party Advisory, third-party-advisory)
- support.apple.com/HT205267 (Third Party Advisory)
- seclists.org/fulldisclosure/2015/May/14 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- lists.apple.com/archives/security-announce/2015/Sep/msg00005.html (vendor-advisory, Mailing List)
- openwall.com/lists/oss-security/2015/05/05/6 (mailing-list, Mailing List)
- support.apple.com/HT205213 (Third Party Advisory)
Frequently asked questions
- What is CVE-2014-8147?
- CVE-2014-8147 is a vulnerability in Apple Mac OS X, classified under CWE-189. Published 2015-05-25.
- Is CVE-2014-8147 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.