International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-18928 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of icu as shipped with Red Hat Enterprise Linux 5, 6 and 7 as they did not include the vulnerable class.
This issue did not affect the versions of java-1.6.0-openjdk, java-1.7.0-openjdk and java-1.8.0-openjdk as shipped with Red Hat Enterprise Linux 5, 6 and 7 as they did not include the vulnerable class.
This issue did not affect the versions of webkitgtk4 as shipped with Red Hat Enterprise Linux 7 as they did not include the vulnerable class.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 4.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | Low |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat Virtualization 4 | icu | Not affected |
| Red Hat Enterprise Linux 7 | webkitgtk4 | Not affected |
| Red Hat Enterprise Linux 7 | java-1.8.0-openjdk | Not affected |
| Red Hat Enterprise Linux 7 | icu | Not affected |
| Red Hat Enterprise Linux 7 | java-1.6.0-openjdk | Not affected |
| Red Hat Enterprise Linux 7 | java-1.7.0-openjdk | Not affected |
| Red Hat Enterprise Linux 6 | java-1.6.0-openjdk | Not affected |
| Red Hat Enterprise Linux 6 | java-1.7.0-openjdk | Not affected |
| Red Hat Enterprise Linux 6 | icu | Not affected |
| Red Hat Enterprise Linux 6 | java-1.8.0-openjdk | Not affected |
| Red Hat Enterprise Linux 5 | java-1.7.0-openjdk | Not affected |
| Red Hat Enterprise Linux 5 | icu | Not affected |
| Red Hat Enterprise Linux 5 | java-1.6.0-openjdk | Not affected |
Vulmon