Heap-based buffer overflow in perl (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-18313 |
| CWE-ID | CWE-122 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
perl (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU16186
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-18313
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The vulnerability exists due to heap-based buffer overflow read during compilation. A remote unauthenticated attacker can supply specially crafted regular expression, trigger memory leak and gain access to arbitrary data.
MitigationInstall update from vendor's website.
Vulnerable software versionsperl (Alpine package): 5.24.4-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=13074bff64787b9251ec396b8ac6ecd18718d2a0
http://git.alpinelinux.org/aports/commit/?id=17a345542d7049381a2bafa85893bda2cfc61358
http://git.alpinelinux.org/aports/commit/?id=d64c1df53210ad5f3d6666da967b2628cf0eb172
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
