Bug 1214582 (CVE-2020-18831) - VUL-0: CVE-2020-18831: exiv2: buffer overflow vulnerability in tEXtToDataBuf function in pngimage.cpp
Summary: VUL-0: CVE-2020-18831: exiv2: buffer overflow vulnerability in tEXtToDataBuf ...
Status: RESOLVED FIXED
Alias: CVE-2020-18831
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/375943/
Whiteboard: CVSSv3.1:SUSE:CVE-2020-18831:5.3:(AV:...
Keywords:
Depends on:
Blocks:
 
Reported: 2023-08-24 14:03 UTC by Alexander Bergmann
Modified: 2023-10-16 13:10 UTC (History)
3 users (show)

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

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Description Alexander Bergmann 2023-08-24 14:03:21 UTC 
CVE-2020-18831

Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2
0.27.1 allows remote attackers to cause a denial of service and other
unspecified impacts via use of crafted file.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-18831
https://www.cve.org/CVERecord?id=CVE-2020-18831
https://github.com/Exiv2/exiv2/issues/828
https://www.exiv2.org/download.html
Comment 1 Dirk Mueller 2023-10-05 21:06:33 UTC 
https://github.com/Exiv2/exiv2/pull/862/commits/20a13f00e2db24c58ee326e4c89a56469718b30e


This was fixed in 0.27.2. we have 0.27.5 in SLE15. do we still need to fix SLE11/12 ?
Comment 2 Dirk Mueller 2023-10-05 21:21:44 UTC 
actually SLE12 and older are not affected. SLE15:Update submitted.
Comment 4 OBSbugzilla Bot 2023-10-05 22:34:23 UTC 
This is an autogenerated message for OBS integration:
This bug (1214582) was mentioned in
https://build.opensuse.org/request/show/1115919 Factory / exiv2