tcpdump 4.9.0 print-sl.c sliplink_print memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in tcpdump 4.9.0. The impacted element is the function sliplink_print of the file print-sl.c. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2017-11543. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in tcpdump 4.9.0 (Packet Analyzer Software). It has been rated as critical. Affected by this issue is the function sliplink_print of the file print-sl.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

tcpdump 4.9.0 has a buffer overflow in the sliplink_print function in print-sl.c.

The bug was discovered 07/18/2017. The weakness was presented 07/23/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2017-11543 since 07/22/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103091 (Slackware 13.37 / 14.0 / 14.1 / 14.2 / current : tcpdump (SSA:2017-251-03)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176147 (Debian Security Update for tcpdump (DSA 3971-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103091) and SecurityFocus (BID 99939†). See VDB-103358, VDB-104406, VDB-104407 and VDB-106590 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 103091
Nessus Name: Slackware 13.37 / 14.0 / 14.1 / 14.2 / current : tcpdump (SSA:2017-251-03)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53377
OpenVAS Name: Debian Security Advisory DSA 3971-1 (tcpdump - security update)
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

07/18/2017 🔍
07/22/2017 +4 days 🔍
07/22/2017 +0 days 🔍
07/22/2017 +0 days 🔍
07/23/2017 +1 days 🔍
07/23/2017 +0 days 🔍
09/08/2017 +47 days 🔍
09/11/2017 +3 days 🔍
01/06/2021 +1213 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: securityfocus.com⛔
Researcher: hackerlib
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-11543 (🔍)
GCVE (CVE): GCVE-0-2017-11543
GCVE (VulDB): GCVE-100-104408

OVAL: 🔍

SecurityFocus: 99939 - tcpdump 'sliplink_print()' Function Buffer Overflow Vulnerability
SecurityTracker: 1039307

See also: 🔍

Entryinfo

Created: 07/23/2017 10:19
Updated: 01/06/2021 11:09
Changes: 07/23/2017 10:19 (67), 10/31/2019 15:53 (15), 01/06/2021 11:04 (2), 01/06/2021 11:09 (1)
Complete: 🔍
Cache ID: 216::103

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