International Components for Unicode up to 60.1 ucnv_u8.cpp ucnv_UTF8FromUTF8 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in International Components for Unicode up to 60.1. Affected by this vulnerability is the function ucnv_UTF8FromUTF8 of the file ucnv_u8.cpp. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2017-17484. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in International Components for Unicode up to 60.1. This vulnerability affects the function ucnv_UTF8FromUTF8 of the file ucnv_u8.cpp. 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. CVE summarizes:

The ucnv_UTF8FromUTF8 function in ucnv_u8.cpp in International Components for Unicode (ICU) for C/C++ through 60.1 mishandles ucnv_convertEx calls for UTF-8 to UTF-8 conversion, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted string, as demonstrated by ZNC.

The bug was discovered 12/10/2017. The weakness was published 12/10/2017 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-17484 since 12/10/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 118258 (SUSE SLES12 Security Update : icu (SUSE-SU-2018:1401-2)), 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 171174 (SUSE Enterprise Linux Security Update for icu (SUSE-SU-2018:1401-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 12 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118258) and SecurityFocus (BID 74457†). Similar entries are available at VDB-75527, VDB-75528, VDB-77784 and VDB-77884. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB 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: 🔍

CVSSv2info

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

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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: 118258
Nessus Name: SUSE SLES12 Security Update : icu (SUSE-SU-2018:1401-2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63466
OpenVAS Name: SuSE Update for icu openSUSE-SU-2018:1422-1 (icu)
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: 🔍

Timelineinfo

05/05/2015 🔍
12/10/2017 +950 days 🔍
12/10/2017 +0 days 🔍
12/10/2017 +0 days 🔍
12/10/2017 +0 days 🔍
12/11/2017 +1 days 🔍
10/18/2018 +311 days 🔍
10/22/2018 +4 days 🔍
01/26/2021 +827 days 🔍

Sourcesinfo

Advisory: 40714
Researcher: Pedro Ribeiro
Status: Not defined

CVE: CVE-2017-17484 (🔍)
GCVE (CVE): GCVE-0-2017-17484
GCVE (VulDB): GCVE-100-110440
SecurityFocus: 74457

See also: 🔍

Entryinfo

Created: 12/11/2017 08:05
Updated: 01/26/2021 15:26
Changes: 12/11/2017 08:05 (63), 12/13/2019 14:56 (12), 01/26/2021 15:22 (2), 01/26/2021 15:26 (3)
Complete: 🔍
Cache ID: 216:60F:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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