lrzip 0.631 stream.c read_stream use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in lrzip 0.631. It has been declared as problematic. Affected is the function read_stream of the file stream.c. Such manipulation leads to use after free. This vulnerability is documented as CVE-2017-8846. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in lrzip 0.631. Affected by this issue is the function read_stream of the file stream.c. 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 availability. CVE summarizes:

The read_stream function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted archive.

The bug was discovered 05/07/2017. The weakness was released 05/08/2017 (Website). The advisory is available at blogs.gentoo.org. This vulnerability is handled as CVE-2017-8846 since 05/08/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-100947, VDB-100944, VDB-100943 and VDB-100942. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/07/2017 🔍
05/08/2017 +1 days 🔍
05/08/2017 +0 days 🔍
05/08/2017 +0 days 🔍
05/09/2017 +1 days 🔍
12/06/2022 +2037 days 🔍

Sourcesinfo

Advisory: DLA 2725-1
Status: Not defined

CVE: CVE-2017-8846 (🔍)
GCVE (CVE): GCVE-0-2017-8846
GCVE (VulDB): GCVE-100-100946
OSVDB: - CVE-2017-8846 - Lrzip Project - Lrzip - Medium

See also: 🔍

Entryinfo

Created: 05/09/2017 08:35
Updated: 12/06/2022 08:43
Changes: 05/09/2017 08:35 (57), 09/24/2020 17:27 (2), 12/06/2022 08:43 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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