Heap-based buffer overflow in pcre (Alpine package)

1) Heap-based buffer overflow

EUVDB-ID: #VU33291

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-8964

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in PCRE 8.36 and earlier. A remote attacker can use a crafted regular expression to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

pcre (Alpine package): 8.01-r0 - 8.33-r1

CPE2.3

• cpe:2.3:o:alpine:pcre_alpine_package:8.01-r0:*:*:*:*:alpine_linux:*:1.10
• cpe:2.3:o:alpine:pcre_alpine_package:8.10-r0:*:*:*:*:alpine_linux:*:2.0
• cpe:2.3:o:alpine:pcre_alpine_package:8.12-r0:*:*:*:*:alpine_linux:*:2.2

External links

https://git.alpinelinux.org/aports/commit/?id=b92ff50592e393708ec454dde3030a768d999e6e
https://git.alpinelinux.org/aports/commit/?id=656ff36b75f24b7f58cdc79362a8a975460fb1db
https://git.alpinelinux.org/aports/commit/?id=75e0c2eedee7d425dde5ea121e5919bc9f00347e
https://git.alpinelinux.org/aports/commit/?id=41732b78666fd19ade073152d29ebf8e01f32a7c

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.