Heap-based buffer overflow in podofo (Alpine package)

1) Heap-based buffer overflow

EUVDB-ID: #VU39094

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-8378

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 the PdfParser::ReadObjects function in base/PdfParser.cpp in PoDoFo 0.9.5. A remote attacker can use vectors related to m_offsets.size. 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

podofo (Alpine package): 0.9.5-r0 - 0.9.6-r2

CPE2.3

• cpe:2.3:a:alpine:podofo_alpine_package:0.9.5-r0:*:*:*:*:alpine_linux:*:3.4
• cpe:2.3:a:alpine:podofo_alpine_package:0.9.5-r1:*:*:*:*:alpine_linux:*:3.5
• cpe:2.3:a:alpine:podofo_alpine_package:0.9.6-r2:*:*:*:*:alpine_linux:*:3.12

External links

https://git.alpinelinux.org/aports/commit/?id=ee0f0c39b80c484343973f2cbc7b0b2cdc0f9532

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.