Buffer overflow in pcre (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-7246 |
| CWE-ID | CWE-121 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
pcre (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU7567
Risk: Medium
CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-7246
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in pcre32_copy_substring() function in pcre_get.c in libpcre1 in PCRE 8.40. A remote unauthenticated attacker can create a specially crafted file, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionspcre (Alpine package): 8.40-r2
External linkshttp://git.alpinelinux.org/aports/commit/?id=94e8d1e4421f3be110d3c88ab08829cff0e77012
http://git.alpinelinux.org/aports/commit/?id=ddd6855fbf390add5ba3fb78e8db3c8a08d09369
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
