Heap-based buffer overflow in HarfBuzz - CVE-2024-56732

Vulnerability identifier: #VU102297

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-56732

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the hb_cairo_glyphs_from_buffer() function in hb-cairo.cc. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

HarfBuzz
openEuler
Ubuntu
harfbuzz
harfbuzz-debuginfo
harfbuzz-debugsource
harfbuzz-devel
harfbuzz-help
libharfbuzz-cairo0 (Ubuntu package)
libharfbuzz0b (Ubuntu package)

Install updates from vendor's website.

HarfBuzz - update to 10.2.0
harfbuzz - update to 8.3.0-2
harfbuzz-debuginfo - update to 8.3.0-2
harfbuzz-debugsource - update to 8.3.0-2
harfbuzz-devel - update to 8.3.0-2
harfbuzz-help - update to 8.3.0-2
libharfbuzz-cairo0 (Ubuntu package) - update to 9.0.0-1ubuntu0.1
libharfbuzz0b (Ubuntu package) - update to 9.0.0-1ubuntu0.1

• https://github.com/harfbuzz/harfbuzz/commit/1767f99e2e2196c3fcae27db6d8b60098d3f6d26
• https://github.com/harfbuzz/harfbuzz/security/advisories/GHSA-qmp9-xqm5-jh6m

• Remote code execution in HarfBuzz
• openEuler 24.03 LTS update for harfbuzz
• openEuler 24.03 LTS SP1 update for harfbuzz
• Ubuntu update for harfbuzz