Google Android up to 5.0 dhcpd dhcp-common.c snprintf memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Android up to 5.0. It has been declared as critical. This vulnerability affects the function snprintf of the file dhcp-common.c of the component dhcpd. The manipulation leads to memory corruption. This vulnerability was named CVE-2014-7913. There is no exploit available. It is recommended to upgrade the affected component. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability was found in Google Android up to 5.0 (Smartphone Operating System). It has been classified as critical. This affects the function snprintf of the file dhcp-common.c of the component dhcpd. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The print_option function in dhcp-common.c in dhcpcd through 6.9.1, as used in dhcp.c in dhcpcd 5.x in Android before 5.1 and other products, misinterprets the return value of the snprintf function, which allows remote DHCP servers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted message.

The weakness was shared 03/12/2015 by Jüri Aedla as ZDI-15-093 as confirmed advisory (ZDI). It is possible to read the advisory at zerodayinitiative.com. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2014-7913 since 10/06/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/07/2022). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 91489 (Debian DLA-506-1 : dhcpcd5 security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 5.1 eliminates this vulnerability. The upgrade is hosted for download at android.googlesource.com. 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 (91489), SecurityFocus (BID 76100†) and Vulnerability Center (SBV-52277†). The entry VDB-76838 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91489
Nessus Name: Debian DLA-506-1 : dhcpcd5 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Upgrade: Android 5.1

Timelineinfo

10/06/2014 🔍
11/13/2014 +38 days 🔍
11/15/2014 +2 days 🔍
03/12/2015 +117 days 🔍
06/09/2015 +89 days 🔍
07/29/2015 +50 days 🔍
07/29/2015 +0 days 🔍
07/30/2015 +1 days 🔍
08/24/2015 +25 days 🔍
06/07/2022 +2479 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: ZDI-15-093
Researcher: Jüri Aedla
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-7913 (🔍)
GCVE (CVE): GCVE-0-2014-7913
GCVE (VulDB): GCVE-100-76839
SecurityFocus: 76100 - Google Android 'print_option()' Function Remote Memory Corruption Vulnerability
SecurityTracker: 1033124
Vulnerability Center: 52277 - Google Android <5.1 Remote Code Execution or DoS via DHCP Server in print_option, Medium

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 07/30/2015 09:40 AM
Updated: 06/07/2022 08:09 AM
Changes: 07/30/2015 09:40 AM (63), 11/02/2017 11:27 PM (14), 06/07/2022 08:03 AM (3), 06/07/2022 08:09 AM (1)
Complete: 🔍
Cache ID: 18:C77:40

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