Apple iChat Server 2.x XMPP Server Dialback input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Apple iChat Server 2.x and classified as critical. Affected is an unknown function of the component XMPP Server Dialback. Performing a manipulation results in input validation. This vulnerability was named CVE-2012-4672. There is no available exploit. It is suggested to swap out the affected component for an alternative.

Detailsinfo

A vulnerability classified as critical has been found in Apple iChat Server 2.x (Chat Software). This affects an unknown part of the component XMPP Server Dialback. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

Apple iChat Server does not verify that a request was made for an XMPP Server Dialback response, which allows remote XMPP servers to spoof domains via responses for domains that were not asserted.

The weakness was presented 08/21/2012 by Philipp Hancke as not defined bulletin (Website). The advisory is shared at xmpp.org. The public release happened without involvement of Apple. This vulnerability is uniquely identified as CVE-2012-4672 since 08/25/2012. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/02/2019).

The problem might be mitigated by replacing the product with jabberd 2.x as an alternative.

The vulnerability is also documented in the databases at X-Force (78133), SecurityFocus (BID 55294†) and OSVDB (85091†). See VDB-61804 and VDB-61802 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Alternative
Status: 🔍

0-Day Time: 🔍

Alternative: jabberd 2.x

Timelineinfo

08/21/2012 🔍
08/25/2012 +4 days 🔍
08/25/2012 +0 days 🔍
08/30/2012 +5 days 🔍
09/03/2012 +4 days 🔍
09/06/2012 +3 days 🔍
04/02/2019 +2399 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: xmpp.org
Researcher: Philipp Hancke
Status: Not defined

CVE: CVE-2012-4672 (🔍)
GCVE (CVE): GCVE-0-2012-4672
GCVE (VulDB): GCVE-100-6093
X-Force: 78133 - Apple iChat Server XMPP spoofing, Medium Risk
SecurityFocus: 55294 - Apple iChat Server XMPP Dialback Protection Bypass Component Security Bypass Vulnerability
OSVDB: 85091

See also: 🔍

Entryinfo

Created: 09/06/2012 10:36
Updated: 04/02/2019 12:57
Changes: 09/06/2012 10:36 (46), 04/02/2019 12:57 (18)
Complete: 🔍
Committer: olku
Cache ID: 216:E24:103

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