An issue was discovered in Erlang/OTP 18.x. Erlang's generation of compiled regular expressions is vulnerable to a heap overflow. Regular expressions using a malformed extpattern can indirectly specify an offset that is used as an array index. This ordinal permits arbitrary regions within the erts_alloc arena to be both read and written to.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-10253 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 4.4 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat Storage Console 2 | erlang | Will not fix |
| Red Hat OpenStack Platform 9.0 | erlang | Will not fix |
| Red Hat OpenStack Platform 8.0 (Liberty) | erlang | Will not fix |
| Red Hat OpenStack Platform 12.0 | erlang | Not affected |
| Red Hat OpenStack Platform 11.0 (Ocata) | erlang | Will not fix |
| Red Hat OpenStack Platform 10 | erlang | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | erlang | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | erlang | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) | erlang | Will not fix |
Vulmon