Cyrus IMAP 2.3.19/2.4.18/2.5.6 imap/index.c index_urlfetch start_octet numeric error

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cyrus IMAP 2.3.19/2.4.18/2.5.6. The affected element is the function index_urlfetch of the file imap/index.c. The manipulation of the argument start_octet results in numeric error. This vulnerability is cataloged as CVE-2015-8077. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cyrus IMAP 2.3.19/2.4.18/2.5.6. It has been classified as critical. Affected is the function index_urlfetch of the file imap/index.c. The manipulation of the argument start_octet with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the start_octet variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.

The weakness was shared 12/03/2015 (Website). The advisory is shared for download at lists.andrew.cmu.edu. This vulnerability is traded as CVE-2015-8077 since 11/04/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 87165 (FreeBSD : cyrus-imapd -- integer overflow in the start_octet addition (d62ec98e-97d8-11e5-8c0e-080027b00c2e)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168995 (SUSE Enterprise Linux Security Update for cyrus-imapd (SUSE-SU-2016:1459-1)).

Upgrading 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 (87165) and Vulnerability Center (SBV-54842†). The entries VDB-79403 and VDB-79405 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 87165
Nessus Name: FreeBSD : cyrus-imapd -- integer overflow in the start_octet addition (d62ec98e-97d8-11e5-8c0e-080027b00c2e)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 850584
OpenVAS Name: SuSE Update for cyrus-imapd SUSE-SU-2016:1457-1 (cyrus-imapd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: cyrus.foundation

Timelineinfo

11/04/2015 🔍
12/01/2015 +27 days 🔍
12/02/2015 +1 days 🔍
12/02/2015 +0 days 🔍
12/03/2015 +1 days 🔍
12/03/2015 +0 days 🔍
12/04/2015 +1 days 🔍
12/08/2015 +4 days 🔍
06/28/2022 +2394 days 🔍

Sourcesinfo

Advisory: lists.andrew.cmu.edu
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8077 (🔍)
GCVE (CVE): GCVE-0-2015-8077
GCVE (VulDB): GCVE-100-79404
SecurityTracker: 1034282
Vulnerability Center: 54842 - Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 Remote Unspecified Impact due to Integer Overflow in the Index_Urlfetch Function, High

See also: 🔍

Entryinfo

Created: 12/04/2015 09:25
Updated: 06/28/2022 13:33
Changes: 12/04/2015 09:25 (58), 05/11/2018 13:05 (14), 06/28/2022 13:33 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!