unixODBC up to 2.3.4 DriverManager/__info.c unicode_to_ansi_copy Unicode memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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8.4 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in unixODBC up to 2.3.4 (Operating System). Affected by this vulnerability is the function unicode_to_ansi_copy
of the file DriverManager/__info.c. The manipulation as part of a Unicode 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:
In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c.
The bug was discovered 02/22/2018. The weakness was published 02/22/2018 (Website). The advisory is shared at unixodbc.org. This vulnerability is known as CVE-2018-7409 since 02/22/2018. The exploitation appears to be easy. 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 scanner Nessus provides a plugin with the ID 110764 (SUSE SLED12 / SLES12 Security Update : unixODBC (SUSE-SU-2018:1832-1)), 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 171336 (OpenSUSE Security Update for unixODBC (openSUSE-SU-2018:1845-1)).
Upgrading to version 2.3.5 eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (110764). Similar entry is available at 113842.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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Current Price Estimation: 🔍
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Nessus ID: 110764
Nessus Name: SUSE SLED12 / SLES12 Security Update : unixODBC (SUSE-SU-2018:1832-1)
Nessus File: 🔍
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Qualys ID: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
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0-Day Time: 🔍
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Upgrade: unixODBC 2.3.5
Timeline
02/22/2018 🔍02/22/2018 🔍
02/22/2018 🔍
02/22/2018 🔍
02/23/2018 🔍
06/27/2018 🔍
06/28/2018 🔍
02/08/2023 🔍
Sources
Advisory: RHSA-2019:2336Status: Not defined
CVE: CVE-2018-7409 (🔍)
See also: 🔍
Entry
Created: 02/23/2018 07:54Updated: 02/08/2023 17:57
Changes: 02/23/2018 07:54 (71), 01/08/2020 08:04 (5), 02/08/2023 17:57 (4)
Complete: 🔍
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