The match function in pcre_exec.c in PCRE before 8.37 mishandles the /(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/ pattern and related patterns involving (*ACCEPT), which allows remote attackers to obtain sensitive information from process memory or cause a denial of service (partially initialized memory and application crash) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-2547.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-8382 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 1.9 |
|---|---|
| Base Metrics | AV:L/AC:M/Au:N/C:P/I:N/A:N |
| Access Vector | Local |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | php55-php | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php56-php | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | php54-php | Will not fix |
| Red Hat OpenShift Enterprise 2 | php | Not affected |
| Red Hat Enterprise Linux 7 | pcre | Will not fix |
| Red Hat Enterprise Linux 6 | pcre | Will not fix |
| Red Hat Enterprise Linux 5 | pcre | Will not fix |
Vulmon