Multiple vulnerabilities in libMirage
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2019-15540 CVE-2019-15757 |
| CWE-ID | CWE-122 CWE-476 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
libMirage Universal components / Libraries / Libraries used by multiple products |
| Vendor | cdemu.sourceforge.io |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
Updated: 09.09.2019
Added vulnerability #2, updated bulletin name.
1) Heap-based buffer overflow
EUVDB-ID: #VU20400
Risk: Low
CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-15540
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to execute arbitrary code on the target system.
The vulnerability exists in the "filters/filter-cso/filter-stream.c" in the CSO filter due to a boundary error when the software does not validate the part size. A local authenticated attacker can trigger heap-based buffer overflow, gain root access and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionslibMirage: 3.2.2
External linkshttp://gist.github.com/andreafioraldi/baa79cd78131888d98d6ba680d5f514e
http://sourceforge.net/p/cdemu/bugs/119/
http://sourceforge.net/p/cdemu/code/ci/0e9292c9aa34bf545f43f7efe5f0b94faba94962/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
2) NULL pointer dereference
EUVDB-ID: #VU20948
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-15757
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error within the NRG parser in parser.c. A remote attacker can perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionslibMirage: 3.2.2
External linkshttp://gist.github.com/andreafioraldi/343d9ba64060b548c02362a5e61ec932
http://sourceforge.net/p/cdemu/bugs/118/
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.
