Quantum Secular Labs / Blog / Advisories

CVE-2017-14608: Libraw: Denial of service

CVE-2017-14608 is rated critical with a CVSS v3.0 base score of 9.1 and affects Libraw. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.

Vulnerability description

In LibRaw through 0.18.4, an out of bounds read flaw related to kodak_65000_load_raw has been reported in dcraw/dcraw.c and internal/dcraw_common.cpp. An attacker could possibly exploit this flaw to disclose potentially sensitive memory or cause an application crash.

Severity breakdown

CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

• Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
• Attack complexity: Low. No special conditions; the attack can be repeated reliably.
• Privileges required: None. No account or prior access is needed.
• User interaction: None. No action from any user is needed.
• Scope: Unchanged. Impact stays within the vulnerable component.
• Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
• Integrity impact: None. No loss of integrity.
• Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-125: Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Affected products

• Libraw: up to and including 0.18.4

References

• https://github.com/LibRaw/LibRaw/commit/d13e8f6d1e987b7491182040a188c16a395f1d21
• https://github.com/LibRaw/LibRaw/issues/101