CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability was found in irssi up to 1.0.4 (Messaging Software) and classified as critical. Affected by this issue is some unknown functionality of the component Channel Sync. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions when updating the state later on.
The bug was discovered 10/22/2017. The weakness was published 10/22/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2017-15227 since 10/10/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 104062 (FreeBSD : irssi -- multiple vulnerabilities (85e2c7eb-b74b-11e7-8546-5cf3fcfdd1f1)), 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 196957 (Ubuntu Security Notification for Irssi Vulnerabilities (USN-3465-1)).
Upgrading to version 1.0.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104062). Similar entries are available at 108321, 108322, 108323 and 108324.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 104062
Nessus Name: FreeBSD : irssi -- multiple vulnerabilities (85e2c7eb-b74b-11e7-8546-5cf3fcfdd1f1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53380
OpenVAS Name: Debian Security Advisory DSA 4016-1 (irssi - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: irssi 1.0.5
Timeline
10/10/2017 🔍10/22/2017 🔍
10/22/2017 🔍
10/22/2017 🔍
10/22/2017 🔍
10/23/2017 🔍
10/23/2017 🔍
01/04/2023 🔍
Sources
Advisory: DLA 1217-1Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-15227 (🔍)
OVAL: 🔍
See also: 🔍
Entry
Created: 10/23/2017 09:04Updated: 01/04/2023 10:00
Changes: 10/23/2017 09:04 (72), 11/28/2019 15:12 (3), 01/04/2023 10:00 (4)
Complete: 🔍
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