Service interruption via out-of-bounds color-table read
Published Feb 18, 2020 · Updated Aug 6, 2024
Out-of-bounds reads in NetSurf Libnsbmp 0.1.2 allow context-dependent attackers to interrupt a consuming application with a crafted BMP file. The bmp_decode_rgb and bmp_decode_rle functions read beyond the supplied color table while resolving crafted pixel data. Impact requires a consuming application to decode attacker-controlled BMP or ICO content; the demonstrated consequence is an out-of-bounds read and application termination.
Summary
What happened
Out-of-bounds reads in NetSurf Libnsbmp 0.1.2 allow context-dependent attackers to interrupt a consuming application with a crafted BMP file. The bmp_decode_rgb and bmp_decode_rle functions read beyond the supplied color table while resolving crafted pixel data. Impact requires a consuming application to decode attacker-controlled BMP or ICO content; the demonstrated consequence is an out-of-bounds read and application termination.
The record
- CVE
- CVE-2015-7507
- Published
- Feb 18, 2020
- Updated
- Aug 6, 2024
- Vendor
- NetSurf
- Product
- Libnsbmp
- Classifications
- CWE-125, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 18, 2020CVE publishedPublication date reported by the CVE source.
- Aug 6, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0.1.2
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- Libnsbmp crafted color-table reproducerproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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