#VU32393 Information disclosure in QEMU - CVE-2015-5165

Vulnerability identifier: #VU32393

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-5165

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

QEMU: 3.1.3

---

External links
https://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html
https://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html
https://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html
https://lists.opensuse.org/opensuse-security-announce/2015-08/msg00018.html
https://lists.opensuse.org/opensuse-security-announce/2015-09/msg00027.html
https://rhn.redhat.com/errata/RHSA-2015-1674.html
https://rhn.redhat.com/errata/RHSA-2015-1683.html
https://rhn.redhat.com/errata/RHSA-2015-1739.html
https://rhn.redhat.com/errata/RHSA-2015-1740.html
https://rhn.redhat.com/errata/RHSA-2015-1793.html
https://rhn.redhat.com/errata/RHSA-2015-1833.html
https://support.citrix.com/article/CTX201717
https://www.debian.org/security/2015/dsa-3348
https://www.debian.org/security/2015/dsa-3349
https://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
https://www.securityfocus.com/bid/76153
https://www.securitytracker.com/id/1033176
https://xenbits.xen.org/xsa/advisory-140.html

---

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.