Apple Mac OS X up to 10.11.1 libarchive memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple Mac OS X up to 10.11.1. This affects an unknown function of the component libarchive. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2011-2895. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple Mac OS X up to 10.11.1 (Operating System). This issue affects some unknown functionality of the component libarchive. 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 weakness was released 12/08/2015 as HT205637 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2011-2895 since 07/27/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A memory corruption issue existed in the processing of archives. This issue was addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 55858 (Ubuntu 10.04 LTS / 10.10 / 11.04 : libxfont vulnerability (USN-1191-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123461 (Fedora Security Update for nx-libs (FEDORA-2015-3953)).

Upgrading to version 10.11.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (55858), SecurityFocus (BID 49124†), Secunia (SA45544†) and SecurityTracker (ID 1025920†). Entries connected to this vulnerability are available at VDB-10672, VDB-58334, VDB-79541 and VDB-79545. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Nessus ID: 55858
Nessus Name: Ubuntu 10.04 LTS / 10.10 / 11.04 : libxfont vulnerability (USN-1191-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2011-1154
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: Mac OS X 10.11.2
Patch: cgit.freedesktop.org

Timelineinfo

07/27/2011 🔍
08/11/2011 +15 days 🔍
08/16/2011 +5 days 🔍
08/19/2011 +3 days 🔍
12/08/2015 +1572 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
06/29/2022 +2394 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205637
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-2895 (🔍)
GCVE (CVE): GCVE-0-2011-2895
GCVE (VulDB): GCVE-100-79571

OVAL: 🔍

X-Force: 69141
SecurityFocus: 49124
Secunia: 45544 - X.Org libXfont LZW Decompression Privilege Escalation Vulnerability, Less Critical
SecurityTracker: 1025920

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 12/09/2015 14:05
Updated: 06/29/2022 14:56
Changes: 12/09/2015 14:05 (52), 04/28/2018 23:57 (23), 06/29/2022 14:55 (5), 06/29/2022 14:56 (1)
Complete: 🔍
Cache ID: 216::103

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