#VU11175 Stack-based buffer overflow in Leptonica


Published: 2018-03-20

Vulnerability identifier: #VU11175

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7186

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

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

Vendor: DanBloomberg

Description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the gplotRead and ptaReadStream functions due to stack-based buffer overflow. A remote attacker can trigger memory corruption and cause the service to crash.

Mitigation
Update to version 1.75.3.

Vulnerable software versions

Leptonica: 1.0 - 1.75.2


External links
http://github.com/DanBloomberg/leptonica/commit/ee301cb2029db8a6289c5295daa42bba7715e99a


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.


Latest bulletins with this vulnerability