X.org libXfont 1.4.7 bdfReadProperties memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability was found in X.org libXfont 1.4.7. It has been classified as critical. This issue affects the function bdfReadProperties. This manipulation causes memory corruption. This vulnerability appears as CVE-2015-1802. There is no available exploit.

Detailsinfo

A vulnerability was found in X.org libXfont 1.4.7. It has been declared as critical. Affected by this vulnerability is the function bdfReadProperties. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 03/17/2015 by Alan Coopersmith as confirmed mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2015-1802 since 02/17/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 81951 (Ubuntu 10.04 LTS / 12.04 LTS / 14.04 / 14.10 : libxfont vulnerabilities (USN-2536-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350105 (Amazon Linux Security Advisory for libXfont: ALAS-2015-597).

The vulnerability is also documented in the databases at X-Force (101608), Tenable (81951), SecurityFocus (BID 73277†), SecurityTracker (ID 1031935†) and Vulnerability Center (SBV-51341†). See VDB-74024 and VDB-74025 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Nessus ID: 81951
Nessus Name: Ubuntu 10.04 LTS / 12.04 LTS / 14.04 / 14.10 : libxfont vulnerabilities (USN-2536-1)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-597
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: no mitigation known
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Timelineinfo

02/17/2015 🔍
03/17/2015 +28 days 🔍
03/17/2015 +0 days 🔍
03/17/2015 +0 days 🔍
03/18/2015 +1 days 🔍
03/19/2015 +1 days 🔍
03/20/2015 +1 days 🔍
03/20/2015 +0 days 🔍
07/15/2015 +117 days 🔍
04/15/2022 +2466 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: USN-2536-1
Researcher: Alan Coopersmith
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1802 (🔍)
GCVE (CVE): GCVE-0-2015-1802
GCVE (VulDB): GCVE-100-74023

OVAL: 🔍

X-Force: 101608 - X.Org libXfont bdfReadProperties code execution
SecurityFocus: 73277 - X.Org libXfont 'bitmap/bdfread.c' Out of Bounds Local Buffer Overflow Vulnerability
SecurityTracker: 1031935 - libXfont Font Processing Flaws Lets Local Users Deny Service or Gain Elevated Privileges
Vulnerability Center: 51341 - X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 Remote DoS or Code Execution via a Crafted BDF Font File - CVE-2015-1802, High

See also: 🔍

Entryinfo

Created: 03/18/2015 09:37
Updated: 04/15/2022 15:36
Changes: 03/18/2015 09:37 (44), 07/13/2017 09:13 (36), 04/15/2022 15:25 (3), 04/15/2022 15:30 (1), 04/15/2022 15:36 (1)
Complete: 🔍
Cache ID: 216:34A:103

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