FreeBSD libarchive up to 2.8.5 archive_read_support_format_iso9660.c memory corruption

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7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in FreeBSD libarchive up to 2.8.5 and classified as critical. This affects an unknown function of the file archive_read_support_format_iso9660.c. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2011-1777. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeBSD libarchive up to 2.8.5 (File Compression Software). It has been rated as critical. Affected by this issue is an unknown code of the file archive_read_support_format_iso9660.c. 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. CVE summarizes:

Multiple buffer overflows in the (1) heap_add_entry and (2) relocate_dir functions in archive_read_support_format_iso9660.c in libarchive through 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ISO9660 image.

The weakness was released 04/13/2012 (Website). The advisory is shared for download at rhn.redhat.com. This vulnerability is handled as CVE-2011-1777 since 04/19/2011. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 68396 (Oracle Linux 6 : libarchive (ELSA-2011-1507)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120219 (Apple Mac OS X Lion v10.7.4 and Security Update 2012-002 Not Installed (APPLE-SA-2012-05-09-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (68396), SecurityFocus (BID 47737†) and Secunia (SA48034†). Entries connected to this vulnerability are available at VDB-4791, VDB-6338, VDB-6341 and VDB-60723. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• File Compression Software

Vendor

• FreeBSD

Name

• libarchive

Version

• 2.0
• 2.1
• 2.2
• 2.2.3
• 2.4
• 2.5
• 2.6
• 2.6.1
• 2.6.2
• 2.7.0
• 2.7.1
• 2.8.0
• 2.8.1
• 2.8.2
• 2.8.3
• 2.8.4
• 2.8.5

License

• open-source

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 68396
Nessus Name: Oracle Linux 6 : libarchive (ELSA-2011-1507)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71140
OpenVAS Name: Debian Security Advisory DSA 2413-1 (libarchive)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/19/2011 🔍
12/02/2011 +227 days 🔍
02/21/2012 +81 days 🔍
04/13/2012 +52 days 🔍
04/13/2012 +0 days 🔍
07/12/2013 +455 days 🔍
03/23/2015 +619 days 🔍
12/01/2021 +2445 days 🔍

Sourcesinfo

Advisory: RHSA-2011:1507
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1777 (🔍)
GCVE (CVE): GCVE-0-2011-1777
GCVE (VulDB): GCVE-100-60596

OVAL: 🔍

SecurityFocus: 47737
Secunia: 48034 - Debian update for libarchive, Less Critical

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/01/2021 08:46
Changes: 03/23/2015 16:50 (66), 04/23/2019 11:19 (5), 12/01/2021 08:40 (3), 12/01/2021 08:43 (1), 12/01/2021 08:46 (1)
Complete: 🔍
Cache ID: 216:D48:103

Once again VulDB remains the best source for vulnerability data.

Discussion

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