QEMU 3.0.0 slirp/tcp_subr.c tcp_emu information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in QEMU 3.0.0. Affected by this vulnerability is the function tcp_emu of the file slirp/tcp_subr.c. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2019-9824. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in QEMU 3.0.0 (Virtualization Software). This affects the function tcp_emu of the file slirp/tcp_subr.c. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QEMU 3.0.0 uses uninitialized data in an snprintf call, leading to Information disclosure.

The bug was discovered 03/18/2019. The weakness was disclosed 06/03/2019 (Website). It is possible to read the advisory at lists.fedoraproject.org. This vulnerability is uniquely identified as CVE-2019-9824 since 03/14/2019. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 77 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 209571 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172188 (SUSE Enterprise Linux Security Update for xen (SUSE-SU-2019:14001-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (209571) and SecurityFocus (BID 106007†). The entries VDB-127968, VDB-127970, VDB-131004 and VDB-131908 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209571
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/22/2018 🔍
03/14/2019 +112 days 🔍
03/18/2019 +4 days 🔍
06/03/2019 +77 days 🔍
06/04/2019 +1 days 🔍
10/26/2024 +1971 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: RHSA-2019:1650
Status: Confirmed

CVE: CVE-2019-9824 (🔍)
GCVE (CVE): GCVE-0-2019-9824
GCVE (VulDB): GCVE-100-135927
SecurityFocus: 106007 - QEMU CVE-2018-19489 Local Denial of Service Vulnerability
OSVDB: - QEMU SLiRP networking information disclosure

See also: 🔍

Entryinfo

Created: 06/04/2019 12:59
Updated: 10/26/2024 22:07
Changes: 06/04/2019 12:59 (62), 06/19/2020 09:35 (3), 09/26/2023 21:54 (3), 10/26/2024 22:07 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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