International Components for Unicode up to 60.0 ucnv_UTF8FromUTF8 httpAcceptLanguage integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in International Components for Unicode up to 60.0. It has been rated as critical. This impacts the function ucnv_UTF8FromUTF8. This manipulation of the argument httpAcceptLanguage as part of HTML Page causes integer overflow. The identification of this vulnerability is CVE-2017-15422. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in International Components for Unicode up to 60.0. Affected by this vulnerability is the function ucnv_UTF8FromUTF8. The manipulation of the argument httpAcceptLanguage as part of a HTML Page leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in international date handling in International Components for Unicode (ICU) for C/C++ before 60.1, as used in V8 in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.

The bug was discovered 12/06/2017. The weakness was shared 08/28/2018 (Website). It is possible to read the advisory at access.redhat.com. This vulnerability is known as CVE-2017-15422 since 10/17/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 184 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110443 (SUSE SLES11 Security Update : icu (SUSE-SU-2018:1602-1)), 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 370678 (Google Chrome Prior to 63.0.3239.84 Multiple Vulnerabilities).

Upgrading to version 60.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (110443) and SecurityFocus (BID 100914†). The entries VDB-106612, VDB-107426, VDB-109008 and VDB-112557 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Google Chrome up to 63

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 110443
Nessus Name: SUSE SLES11 Security Update : icu (SUSE-SU-2018:1602-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 862004
OpenVAS Name: Google Chrome Security Updates(stable-channel-update-for-desktop-2017-12)-Linux
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: International Components for Unicode 60.1

Timelineinfo

09/13/2017 🔍
10/17/2017 +33 days 🔍
12/06/2017 +50 days 🔍
06/08/2018 +183 days 🔍
06/11/2018 +3 days 🔍
08/28/2018 +77 days 🔍
08/28/2018 +0 days 🔍
08/29/2018 +1 days 🔍
05/06/2023 +1711 days 🔍

Sourcesinfo

Advisory: RHSA-2017:3401
Status: Confirmed

CVE: CVE-2017-15422 (🔍)
GCVE (CVE): GCVE-0-2017-15422
GCVE (VulDB): GCVE-100-123319

OVAL: 🔍

SecurityFocus: 100914 - Tcpdump CVE-2017-12997 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 08/29/2018 07:01
Updated: 05/06/2023 07:07
Changes: 08/29/2018 07:01 (78), 03/18/2020 19:25 (3), 05/06/2023 07:07 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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