libarchive up to 3.7.7 bsdunzip.c list null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k1.20

A vulnerability was found in libarchive up to 3.7.7. It has been classified as problematic. This affects the function list of the file bsdunzip.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-1632. The exploitability is told to be easy. Attacking locally is a requirement. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. The vulnerability scanner Nessus provides a plugin with the ID 233204 (SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libarchive (SUSE-SU-2025:0985-1)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (233204). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 233204
Nessus Name: SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libarchive (SUSE-SU-2025:0985-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/24/2025 Advisory disclosed
02/24/2025 +0 days VulDB entry created
03/22/2025 +26 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-1632 (🔒)
GCVE (CVE): GCVE-0-2025-1632
GCVE (VulDB): GCVE-100-296619
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/24/2025 08:05 AM
Updated: 03/22/2025 03:52 PM
Changes: 02/24/2025 08:05 AM (56), 03/22/2025 03:52 PM (2)
Complete: 🔍
Submitter: rookie
Cache ID: 18:991:40

Submitinfo

Accepted

  • Submit #496460: libarchive bsdunzip 3.77 NULL Pointer Dereference (by rookie)

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