VDB-99326 · CVE-2017-7443 · OpenVAS 800596

apt-cacher/apt-cacher-ng Regular Expression response splitting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in apt-cacher and apt-cacher-ng. The impacted element is an unknown function of the component Regular Expression Handler. Such manipulation with the input %0[ad] leads to response splitting. This vulnerability is documented as CVE-2017-7443. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in apt-cacher and apt-cacher-ng (the affected version unknown). Affected by this issue is an unknown part of the component Regular Expression Handler. The manipulation with the input value %0[ad] leads to a response splitting vulnerability. Using CWE to declare the problem leads to CWE-113. The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. Impacted is confidentiality, integrity, and availability. CVE summarizes:

apt-cacher before 1.7.15 and apt-cacher-ng before 3.4 allow HTTP response splitting via encoded newline characters, related to lack of blocking for the %0[ad] regular expression.

The bug was discovered 04/14/2017. The weakness was released 04/05/2017 (Website). The advisory is available at bugs.debian.org. This vulnerability is handled as CVE-2017-7443 since 04/05/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

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Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
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: Response splitting
CWE: CWE-113 / CWE-93 / CWE-74
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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OpenVAS ID: 800596
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 873-1] apt-cacher security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/05/2017 🔍
04/05/2017 +0 days 🔍
04/05/2017 +0 days 🔍
04/06/2017 +1 days 🔍
04/14/2017 +8 days 🔍
08/26/2020 +1230 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7443 (🔍)
GCVE (CVE): GCVE-0-2017-7443
GCVE (VulDB): GCVE-100-99326
OSVDB: - CVE-2017-7443 - apt-cacher, apt-cacher-ng - HTTP Response Splitting Issue

Entryinfo

Created: 04/06/2017 10:45
Updated: 08/26/2020 07:50
Changes: 04/06/2017 10:45 (59), 08/26/2020 07:50 (3)
Complete: 🔍
Cache ID: 216::103

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