Vulnerability detail

Vendor

Google

Product

Chrome, libwebp

Published

Sep 12, 2023

EPSS

—

Description

Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

SSVC decision points

Exploitation

active

Automatable

No

Technical impact

total

References

• https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html
• https://crbug.com/1479274
• https://en.bandisoft.com/honeyview/history/
• https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/
• https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863
• https://security-tracker.debian.org/tracker/CVE-2023-4863
• https://bugzilla.suse.com/show_bug.cgi?id=1215231
• https://news.ycombinator.com/item?id=37478403
• https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/
• https://www.debian.org/security/2023/dsa-5496
• https://www.debian.org/security/2023/dsa-5497
• https://lists.fedoraproject.org/archives/list/[email protected]/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/
• https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html
• https://lists.fedoraproject.org/archives/list/[email protected]/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/
• https://www.debian.org/security/2023/dsa-5498
• https://security.gentoo.org/glsa/202309-05
• https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html
• https://lists.fedoraproject.org/archives/list/[email protected]/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/
• https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/
• https://github.com/webmproject/libwebp/releases/tag/v1.3.2
• https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html
• https://lists.fedoraproject.org/archives/list/[email protected]/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/
• http://www.openwall.com/lists/oss-security/2023/09/21/4
• https://blog.isosceles.com/the-webp-0day/
• http://www.openwall.com/lists/oss-security/2023/09/22/1
• http://www.openwall.com/lists/oss-security/2023/09/22/3
• http://www.openwall.com/lists/oss-security/2023/09/22/4
• http://www.openwall.com/lists/oss-security/2023/09/22/5
• http://www.openwall.com/lists/oss-security/2023/09/22/8
• http://www.openwall.com/lists/oss-security/2023/09/22/7
• http://www.openwall.com/lists/oss-security/2023/09/22/6
• http://www.openwall.com/lists/oss-security/2023/09/26/1
• http://www.openwall.com/lists/oss-security/2023/09/26/7
• http://www.openwall.com/lists/oss-security/2023/09/28/1
• http://www.openwall.com/lists/oss-security/2023/09/28/2
• http://www.openwall.com/lists/oss-security/2023/09/28/4
• https://security.netapp.com/advisory/ntap-20230929-0011/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/
• https://sethmlarson.dev/security-developer-in-residence-weekly-report-16
• https://www.bentley.com/advisories/be-2023-0001/
• https://security.gentoo.org/glsa/202401-10

Potential proof of concepts