Vulnerability identifier: #VU21748

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-6976

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libvips
Universal components / Libraries / Libraries used by multiple products

Vendor: libvips

Description
The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due memory leak within the iofuncs/memory.c file in libvips  library due to application does not zero out allocated memory when when processing corrupted input image data. A remote attacker can pass to the application a corrupted data and leak raw process memory contents through the output image.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libvips: 8.7.0 - 8.7.3

---

External links
http://blog.silentsignal.eu/2019/04/18/drop-by-drop-bleeding-through-libvips/
http://github.com/libvips/libvips/commit/00622428bda8d7521db8d74260b519fa41d69d0a
http://github.com/libvips/libvips/releases/tag/v8.7.4

---

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.