ESB-2023.5568 - [Ubuntu] libwebp: CVSS (Max): 8.8
28 September 2023 at 02:00
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AUSCERT External Security Bulletin Redistribution
ESB-2023.5568
USN-6369-2: libwebp vulnerability
28 September 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: libwebp
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-4863
Original Bulletin:
https://ubuntu.com/security/notices/USN-6369-2
Comment: CVSS (Max): 8.8 CVE-2023-4863 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: NIST
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The following are listed in the CISA Known Exploited Vulnerabilities (KEV) Catalog:
CISA KEV CVE(s): CVE-2023-4863
CISA KEV URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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USN-6369-2: libwebp vulnerability
28 September 2023
libwebp could be made to crash or run programs if it opened a specially crafted
file.
Releases
o Ubuntu 18.04 ESM
Packages
o libwebp - Lossy compression of digital photographic images.
Details
USN-6369-1 fixed a vulnerability in libwebp. This update provides the
corresponding update for Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that libwebp incorrectly handled certain malformed
images. If a user or automated system were tricked into opening a
specially crafted image file, a remote attacker could use this issue to
cause libwebp to crash, resulting in a denial of service, or possibly
execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04
o libwebp6 - 0.6.1-2ubuntu0.18.04.2+esm1
Available with Ubuntu Pro
o libwebpdemux2 - 0.6.1-2ubuntu0.18.04.2+esm1
Available with Ubuntu Pro
o libwebpmux3 - 0.6.1-2ubuntu0.18.04.2+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2023-4863
Related notices
o USN-6367-1 : firefox-locale-is, firefox-locale-fr, firefox-locale-br,
firefox-locale-ar, firefox-locale-az, firefox-locale-ja, firefox-locale-sw,
firefox-locale-uk, firefox-locale-fa, firefox-dev, firefox-locale-hr,
firefox-locale-be, firefox-locale-sl, firefox, firefox-locale-xh,
firefox-locale-da, firefox-locale-sr, firefox-locale-cy,
firefox-locale-zh-hans, firefox-locale-ca, firefox-locale-eu,
firefox-locale-or, firefox-locale-ml, firefox-locale-mn, firefox-locale-ga,
firefox-locale-kab, firefox-locale-mr, firefox-locale-lg,
firefox-locale-szl, firefox-locale-de, firefox-locale-eo,
firefox-locale-kk, firefox-locale-tr, firefox-locale-si, firefox-locale-ru,
firefox-locale-gd, firefox-locale-hy, firefox-locale-gu,
firefox-locale-ast, firefox-locale-kn, firefox-locale-bn,
firefox-locale-my, firefox-mozsymbols, firefox-locale-nb,
firefox-locale-pa, firefox-locale-lv, firefox-locale-ne, firefox-locale-sq,
firefox-locale-hsb, firefox-locale-hu, firefox-locale-nl,
firefox-locale-sk, firefox-geckodriver, firefox-locale-cak,
firefox-locale-as, firefox-locale-csb, firefox-locale-ku,
firefox-locale-bs, firefox-locale-bg, firefox-locale-lt, firefox-locale-oc,
firefox-locale-ro, firefox-locale-th, firefox-locale-pt, firefox-locale-af,
firefox-locale-nn, firefox-locale-he, firefox-locale-ur, firefox-locale-id,
firefox-locale-pl, firefox-locale-el, firefox-locale-sv, firefox-locale-tg,
firefox-locale-en, firefox-locale-gn, firefox-locale-ia, firefox-locale-ms,
firefox-locale-cs, firefox-locale-vi, firefox-locale-mai,
firefox-locale-ta, firefox-locale-ka, firefox-locale-fi, firefox-locale-fy,
firefox-locale-mk, firefox-locale-uz, firefox-locale-zh-hant,
firefox-locale-et, firefox-locale-an, firefox-locale-km, firefox-locale-it,
firefox-locale-te, firefox-locale-ko, firefox-locale-es, firefox-locale-gl,
firefox-locale-zu, firefox-locale-nso, firefox-locale-hi
o USN-6368-1 : thunderbird-locale-dsb, thunderbird-locale-pt-pt,
thunderbird-locale-si, thunderbird-locale-ca, thunderbird-locale-ko,
thunderbird-locale-gd, xul-ext-calendar-timezones,
thunderbird-locale-sv-se, thunderbird-locale-en-gb,
thunderbird-gnome-support, thunderbird-locale-fy-nl,
thunderbird-locale-pa-in, thunderbird-locale-pt, thunderbird-locale-fi,
thunderbird-locale-ast, thunderbird-locale-ms, thunderbird-locale-sv,
thunderbird-locale-zh-hant, thunderbird-locale-cs, thunderbird-locale-ka,
thunderbird-locale-en, thunderbird-locale-el, thunderbird,
thunderbird-locale-uz, thunderbird-locale-es-ar, thunderbird-locale-es-es,
thunderbird-mozsymbols, thunderbird-locale-lt, thunderbird-locale-zh-hans,
thunderbird-locale-ga-ie, thunderbird-locale-de, thunderbird-locale-rm,
thunderbird-locale-br, thunderbird-locale-ta, thunderbird-locale-bn,
thunderbird-locale-ja, thunderbird-locale-fa, thunderbird-locale-nb,
thunderbird-locale-ru, thunderbird-locale-id, thunderbird-locale-fy,
thunderbird-locale-hsb, thunderbird-locale-hu, thunderbird-locale-zh-cn,
thunderbird-locale-da, thunderbird-locale-cak, thunderbird-locale-uk,
thunderbird-locale-be, thunderbird-locale-nl, thunderbird-locale-th,
thunderbird-locale-lv, thunderbird-locale-pt-br, thunderbird-dev,
thunderbird-locale-es, thunderbird-locale-sq, thunderbird-locale-mk,
thunderbird-locale-is, xul-ext-gdata-provider, thunderbird-locale-cy,
thunderbird-locale-tr, thunderbird-locale-eu, thunderbird-locale-ga,
thunderbird-locale-pl, thunderbird-locale-sl, thunderbird-locale-sk,
thunderbird-locale-ta-lk, thunderbird-locale-bn-bd, thunderbird-locale-it,
thunderbird-locale-ar, thunderbird-locale-kab, thunderbird-locale-af,
thunderbird-locale-hy, thunderbird-locale-fr, thunderbird-locale-pa,
thunderbird-locale-sr, thunderbird-locale-et, thunderbird-locale-hr,
thunderbird-locale-kk, thunderbird-locale-nn-no, thunderbird-locale-nn,
thunderbird-locale-bg, thunderbird-locale-he, thunderbird-locale-ro,
thunderbird-locale-en-us, thunderbird-locale-vi, thunderbird-locale-gl,
thunderbird-locale-zh-tw, thunderbird-locale-nb-no, xul-ext-lightning
o USN-6369-1 : libwebp7, libwebp6, libwebp-dev, libwebpdemux2, webp, libwebp,
libwebpmux3
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