VDB-94549 · CVE-2016-9964 · BID 94961

Bottle 0.12.10 redirect crlf injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability has been found in Bottle 0.12.10 and classified as critical. Affected by this vulnerability is the function redirect. The manipulation with an unknown input leads to a crlf injection vulnerability. The CWE definition for the vulnerability is CWE-93. The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

redirect() in bottle.py in bottle 0.12.10 doesn't filter a "\r\n" sequence, which leads to a CRLF attack, as demonstrated by a redirect("233\r\nSet-Cookie: name=salt") call.

The weakness was shared 12/16/2016 as 848392 / DSA-3743-1 (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2016-9964. 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 95958 (Debian DSA-3743-1 : python-bottle - 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277134 (Fedora Security Update for python-bottle (FEDORA-2018-909707fc68)).

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 vulnerability database at Tenable (95958). Additional details are provided at seclists.org.





CPE 2.3info

CPE 2.2info


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


VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Crlf injection
CWE: CWE-93 / CWE-74 / CWE-707
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 95958
Nessus Name: Debian DSA-3743-1 : python-bottle - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703743
OpenVAS Name: Debian Security Advisory DSA 3743-1 (python-bottle - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com


12/16/2016 🔍
12/16/2016 +0 days 🔍
12/16/2016 +0 days 🔍
12/16/2016 +0 days 🔍
10/12/2022 +2126 days 🔍


Advisory: 848392 / DSA-3743-1
Status: Confirmed

CVE: CVE-2016-9964 (🔍)

SecurityFocus: 94961

Misc.: 🔍


Created: 12/16/2016 03:38 PM
Updated: 10/12/2022 08:21 AM
Changes: 12/16/2016 03:38 PM (38), 02/23/2017 02:14 PM (20), 10/12/2022 08:18 AM (3), 10/12/2022 08:19 AM (11), 10/12/2022 08:21 AM (1)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!