VDB-106601 · CVE-2017-12986 · Qualys 176147

tcpdump up to 4.9.1 IPv6 Routing Header Parser print-rt6.c rt6_print memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

A vulnerability was found in tcpdump up to 4.9.1 (Packet Analyzer Software) and classified as critical. This issue affects the function rt6_print of the file print-rt6.c of the component IPv6 Routing Header Parser. 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. The summary by CVE is:

The IPv6 routing header parser in tcpdump before 4.9.2 has a buffer over-read in print-rt6.c:rt6_print().

The bug was discovered 09/11/2017. The weakness was released 09/14/2017 (Website). The advisory is shared at securitytracker.com. The identification of this vulnerability is CVE-2017-12986 since 08/21/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103257 (Debian DLA-1097-1 : tcpdump 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 176147 (Debian Security Update for tcpdump (DSA 3971-1)).

Upgrading to version 4.9.2 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103257). Entries connected to this vulnerability are available at 21822, 21823, 104406 and 104407.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AVACAuCIA
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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
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103257
Nessus Name: Debian DLA-1097-1 : tcpdump security update
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: 🔍

Upgrade: tcpdump 4.9.2
Patch: github.com

Timelineinfo

08/21/2017 🔍
09/11/2017 +21 days 🔍
09/14/2017 +3 days 🔍
09/14/2017 +0 days 🔍
09/14/2017 +0 days 🔍
09/15/2017 +1 days 🔍
09/18/2017 +3 days 🔍
12/28/2022 +1927 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: 7ac73d6cd41e9d4ac0ca7e6830ca390e195bb21c
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12986 (🔍)
OVAL: 🔍

SecurityTracker: 1039307

See also: 🔍

Entryinfo

Created: 09/14/2017 17:16
Updated: 12/28/2022 15:24
Changes: 09/14/2017 17:16 (78), 11/16/2019 08:18 (2), 01/12/2021 15:45 (2), 12/28/2022 15:24 (4)
Complete: 🔍

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