CVE-2017-16231
Published: August 31, 2023Last modified: August 31, 2023
Description
** DISPUTED ** In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call. NOTE: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | pcre | Not affected (8.45-r2) |
| tiff | Not affected (4.4.0-r4) | ||
| Stream | pcre | Not affected (8.45-r3) | |
| tiff | Not affected (4.5.1-r0) |
References
- http://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.html
- http://seclists.org/fulldisclosure/2018/Dec/33
- http://www.openwall.com/lists/oss-security/2017/11/01/11
- http://www.openwall.com/lists/oss-security/2017/11/01/3
- http://www.openwall.com/lists/oss-security/2017/11/01/7
- http://www.openwall.com/lists/oss-security/2017/11/01/8
- http://www.securityfocus.com/bid/101688
- https://bugs.exim.org/show_bug.cgi?id=2047