GNU Escript 1.6.1 tilde_subst memory corruption

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

A vulnerability was found in GNU Escript 1.6.1. It has been declared as critical. Affected by this vulnerability is the function tilde_subst. 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 summary by CVE is:

Multiple buffer overflows in the (1) recognize_eps_file function (src/psgen.c) and (2) tilde_subst function (src/util.c) in GNU enscript 1.6.1, and possibly earlier, might allow remote attackers to execute arbitrary code via an epsf escape sequence with a long filename.

The bug was discovered 12/15/2008. The weakness was released 12/19/2008 as Bug 473958 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2008-5078 since 11/14/2008. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 41277 (SuSE9 Security Update : enscript (YOU Patch Number 12349)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117204 (CentOS Security Update for enscript (CESA-2008:1021)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (47680) and Tenable (41277).

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CPE 2.3info

CPE 2.2info

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CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 41277
Nessus Name: SuSE9 Security Update : enscript (YOU Patch Number 12349)
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OpenVAS ID: 880207
OpenVAS Name: Centreon command_name Parameter Remote Command Execution Vulnerability
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Timelineinfo

11/14/2008 🔍
12/15/2008 +31 days 🔍
12/15/2008 +0 days 🔍
12/16/2008 +1 days 🔍
12/19/2008 +3 days 🔍
12/19/2008 +0 days 🔍
12/19/2008 +0 days 🔍
12/22/2008 +3 days 🔍
02/06/2009 +46 days 🔍
09/24/2009 +230 days 🔍
03/17/2015 +2000 days 🔍
08/22/2019 +1619 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 473958
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-5078 (🔍)
OVAL: 🔍

X-Force: 47680
SecurityTracker: 1021401
Vulnerability Center: 20298 - GNU Enscript 1.6.1 Multiple Buffer Overflows Allow Remote Code Execution via an epsf Escape Sequence, High
Secunia: 33181 - Red Hat update for enscript, Moderately Critical
OSVDB: 52158 - GNU enscript recognize_eps_file() and tilde_subst() buffer overflow

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/22/2019 16:50
Changes: 03/17/2015 16:11 (81), 08/22/2019 16:50 (5)
Complete: 🔍

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