Home/CVE/Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service (crash)
CVE

CVE-2016-3189

Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service (crash)

Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted bzip2 file, related to block ends set to before the start of the block.

MEDIUM · CVSS 6.5 EPSS 0.23714
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

5
bzip bzip2all versions
python>= 3.7.0 and < 3.7.13
python>= 3.8.0 and < 3.8.13
python>= 3.9.0 and < 3.9.11
python>= 3.10.0 and < 3.10.3
⚠

Public Exploits & PoCs

2
pocpacketstormsecurity.com · Slackware-Security-Advisory-bzip2-Updates.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · FreeBSD-Security-Advisory-FreeBSD-SA-19-18.bzip2.htmlpacketstormsecurity.com
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPython Reverse Shell Execution Via PTY And Socket Modules
producthighInline Python Execution - Spawn Shell Via OS System Library
producthighPython One-Liners with Base64 Decoding - Linux
producthighPython Function Execution Security Warning Disabled In Excel
producthighPython One-Liners with Base64 Decoding
producthighPython Spawning Pretty TTY on Windows
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Jun 2016 · 05:59 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

12
suse-csafopenSUSE-SU-2024:10667-1
siemens-csafSSA-398330
msrcCVE-2016-3189
suse-csafSUSE-SU-2019:1955-1
suse-csafSUSE-SU-2019:14122-1
🔗

References & Sources

23
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2016/06/20/1Mailing List
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
http://www.securityfocus.com/bid/91297Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036132Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1319648Issue TrackingThird Party Advisory
https://lists.apache.org/thread.html/r19b4a70ac52093115fd71d773a7a4f579599e6275a13cfcf6252c3e3%40%3Cjira.kafka.apache.org%3E
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