GNU oSIP 5.0.0 libosip2 osip_message_parse.c msg_osip_body_parse SIP Message memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU oSIP 5.0.0. It has been rated as problematic. Impacted is the function msg_osip_body_parse of the file osipparser2/osip_message_parse.c of the component libosip2. This manipulation as part of SIP Message causes memory corruption. This vulnerability is handled as CVE-2017-7853. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in GNU oSIP 5.0.0 and classified as problematic. Affected by this vulnerability is the function msg_osip_body_parse of the file osipparser2/osip_message_parse.c of the component libosip2. The manipulation as part of a SIP Message leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

In libosip2 in GNU oSIP 5.0.0, a malformed SIP message can lead to a heap buffer overflow in the msg_osip_body_parse() function defined in osipparser2/osip_message_parse.c, resulting in a remote DoS.

The bug was discovered 04/20/2017. The weakness was released 04/13/2017 (Website). The advisory is shared at savannah.gnu.org. This vulnerability is known as CVE-2017-7853 since 04/13/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 99403 (Debian DLA-898-1 : libosip2 security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169969 (SUSE Enterprise Linux Security Update for libosip2 (SUSE-SU-2017:1188-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99403) and SecurityFocus (BID 97644†). Entries connected to this vulnerability are available at VDB-99806, VDB-99807 and VDB-99808. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99403
Nessus Name: Debian DLA-898-1 : libosip2 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 850584
OpenVAS Name: SuSE Update for libosip2 openSUSE-SU-2017:1127-1 (libosip2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

02/21/2017 🔍
04/13/2017 +51 days 🔍
04/13/2017 +0 days 🔍
04/13/2017 +0 days 🔍
04/14/2017 +1 days 🔍
04/16/2017 +2 days 🔍
04/17/2017 +1 days 🔍
04/20/2017 +3 days 🔍
08/30/2020 +1228 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: savannah.gnu.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7853 (🔍)
GCVE (CVE): GCVE-0-2017-7853
GCVE (VulDB): GCVE-100-99841

OVAL: 🔍

SecurityFocus: 97644 - GNU oSIP 'osipparser2/osip_message_parse.c' Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7853 - GNU - oSIP - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 04/14/2017 11:11
Updated: 08/30/2020 21:02
Changes: 04/14/2017 11:11 (72), 08/30/2020 21:02 (13)
Complete: 🔍
Cache ID: 216:223:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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