Mercurial up to 3.7.2 Binary Delta Decoder data processing

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mercurial up to 3.7.2. Affected by this issue is some unknown functionality of the component Binary Delta Decoder. Performing a manipulation results in data processing. This vulnerability is reported as CVE-2016-3630. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mercurial up to 3.7.2. It has been classified as critical. This affects some unknown processing of the component Binary Delta Decoder. The manipulation with an unknown input leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The binary delta decoder in Mercurial before 3.7.3 allows remote attackers to execute arbitrary code via a (1) clone, (2) push, or (3) pull command, related to (a) a list sizing rounding error and (b) short records.

The weakness was disclosed 04/13/2016 (Website). It is possible to read the advisory at debian.org. This vulnerability is uniquely identified as CVE-2016-3630 since 03/20/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90370 (Debian DSA-3542-1 : mercurial - 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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 296001 (Solaris 11.3 Support Repository Update (SRU) 8.7.0 Missing).

Upgrading to version 3.7.3 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (90370). The entries VDB-79059, VDB-79061, VDB-80819 and VDB-81385 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Data processing
CWE: CWE-19
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: 90370
Nessus Name: Debian DSA-3542-1 : mercurial - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2016-697
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mercurial 3.7.3

Timelineinfo

03/20/2016 🔍
04/05/2016 +15 days 🔍
04/07/2016 +2 days 🔍
04/13/2016 +6 days 🔍
04/13/2016 +0 days 🔍
04/14/2016 +1 days 🔍
07/24/2022 +2292 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-79604dde9f
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3630 (🔍)
GCVE (CVE): GCVE-0-2016-3630
GCVE (VulDB): GCVE-100-82347

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 04/14/2016 10:01
Updated: 07/24/2022 14:14
Changes: 04/14/2016 10:01 (45), 10/06/2018 11:20 (29), 07/24/2022 14:14 (4)
Complete: 🔍
Cache ID: 216:351:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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