Bug 1189636 (CVE-2020-18899) - VUL-0: CVE-2020-18899: exiv2: An uncontrolled memory allocation in Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input
Summary: VUL-0: CVE-2020-18899: exiv2: An uncontrolled memory allocation in Exiv2 0.27...
Status: RESOLVED FIXED
Alias: CVE-2020-18899
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Normal
Target Milestone: ---
Assignee: Security Team bot
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/307706/
Whiteboard: CVSSv3.1:SUSE:CVE-2020-18899:6.5:(AV:...
Keywords:
Depends on:
Blocks:
 
Reported: 2021-08-20 10:26 UTC by Gabriele Sonnu
Modified: 2024-05-16 16:18 UTC (History)
4 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Gabriele Sonnu 2021-08-20 10:26:37 UTC 
An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box))
function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a
crafted input.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-18899
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-18899
https://github.com/Exiv2/exiv2/issues/742
http://www.cvedetails.com/cve/CVE-2020-18899/
Comment 1 Gabriele Sonnu 2021-08-20 10:27:32 UTC 
Affected packages
- SUSE:SLE-15:Update/exiv2  0.26

Upstream patch:
https://github.com/Exiv2/exiv2/commit/051b5d9df1f4669117937b7a40104404cc252993

Reproducer:
https://github.com/Exiv2/exiv2/issues/742
Comment 2 Thomas Leroy 2022-08-24 15:01:48 UTC 
Dirk, can you please submit for SUSE:SLE-15:Update? :)
Comment 10 Swamp Workflow Management 2022-10-17 16:34:39 UTC 
SUSE-SU-2022:3598-1: An update that fixes 15 vulnerabilities is now available.

Category: security (important)
Bug References: 1076579,1086798,1086810,1092096,1114690,1185447,1186192,1188733,1188756,1189330,1189331,1189332,1189333,1189636,1189780
CVE References: CVE-2018-10772,CVE-2018-18915,CVE-2018-5772,CVE-2018-8976,CVE-2018-8977,CVE-2020-18898,CVE-2020-18899,CVE-2021-29470,CVE-2021-31291,CVE-2021-31292,CVE-2021-32617,CVE-2021-37618,CVE-2021-37619,CVE-2021-37620,CVE-2021-37621
JIRA References: 
Sources used:
openSUSE Leap 15.4 (src):    exiv2-0.26-150000.6.16.1
openSUSE Leap 15.3 (src):    exiv2-0.26-150000.6.16.1
SUSE Manager Server 4.1 (src):    exiv2-0.26-150000.6.16.1
SUSE Manager Retail Branch Server 4.1 (src):    exiv2-0.26-150000.6.16.1
SUSE Manager Proxy 4.1 (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Server for SAP 15-SP2 (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Server for SAP 15-SP1 (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Server for SAP 15 (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Server 15-SP2-LTSS (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Server 15-SP2-BCL (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Server 15-SP1-LTSS (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Server 15-SP1-BCL (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Server 15-LTSS (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Module for Desktop Applications 15-SP4 (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise Module for Desktop Applications 15-SP3 (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise High Performance Computing 15-LTSS (src):    exiv2-0.26-150000.6.16.1
SUSE Linux Enterprise High Performance Computing 15-ESPOS (src):    exiv2-0.26-150000.6.16.1
SUSE Enterprise Storage 7 (src):    exiv2-0.26-150000.6.16.1
SUSE Enterprise Storage 6 (src):    exiv2-0.26-150000.6.16.1
SUSE CaaS Platform 4.0 (src):    exiv2-0.26-150000.6.16.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.