Cerb up to 7.0.3 ajax.php saveWorkerPeek cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Cerb up to 7.0.3. This affects the function saveWorkerPeek of the file ajax.php. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity. The summary by CVE is:

Cross-site request forgery (CSRF) vulnerability in ajax.php in Cerb before 7.0.4 allows remote attackers to hijack the authentication of administrators for requests that add an administrator account via a saveWorkerPeek action.

The weakness was published 09/03/2015 (Website). The advisory is shared at htbridge.com. This vulnerability is uniquely identified as CVE-2015-6545 since 08/20/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known.

A public exploit has been developed by High-Tech Bridge SA and been published before and not just after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:ajax.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 7.0.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (38074).

Productinfo

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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: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: High-Tech Bridge SA
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cerb 7.0.4
Patch: github.com

Timelineinfo

08/20/2015 🔍
09/02/2015 +13 days 🔍
09/02/2015 +0 days 🔍
09/02/2015 +0 days 🔍
09/03/2015 +1 days 🔍
09/03/2015 +0 days 🔍
09/04/2015 +1 days 🔍
11/02/2015 +59 days 🔍
06/14/2022 +2416 days 🔍

Sourcesinfo

Advisory: 133404
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-6545 (🔍)
Vulnerability Center: 54103 - Cerb <7.0.4 Remote CSRF via Failure in AJAX.PHP, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/04/2015 10:22
Updated: 06/14/2022 09:31
Changes: 09/04/2015 10:22 (48), 03/10/2018 10:42 (15), 06/14/2022 09:31 (4)
Complete: 🔍

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