SB2019050641 - Use-after-free in openjdk8 (Alpine package)
Published: May 6, 2019
Security Bulletin ID
SB2019050641
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2019-7317)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to a use-after-free memory error in the png_image_free function, as defined in the png.c source code file when calling on png_safe_execute. A remote attacker can send specially crafted data, trigger a call on png_safe_execute and trigger memory corruption, resulting in a DoS condition.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=4f0b80be4d1631483abd619e7d7e6c6502a1e350
- https://git.alpinelinux.org/aports/commit/?id=61f36dcfec3adec2c787ad04f714132ed9a28e59
- https://git.alpinelinux.org/aports/commit/?id=8ea9e2acc8dcf91473a18399ea0d9c857def70f2
- https://git.alpinelinux.org/aports/commit/?id=9ad60b3171f76e5694a6a915357f9e047ae50f81
- https://git.alpinelinux.org/aports/commit/?id=b9488d1543bd0ed444b50eff99b3d5f557b6c284
- https://git.alpinelinux.org/aports/commit/?id=19d91779a5cd79292c972f6acdf04ef87ed7379e
- https://git.alpinelinux.org/aports/commit/?id=5d004d13d3cfbb28cda2846e1c88900d5a8d1040
- https://git.alpinelinux.org/aports/commit/?id=64ccf246bf0c9f29e14017895a65cd46f68c36af
- https://git.alpinelinux.org/aports/commit/?id=aca534846f09aee2bd3cbccdbbeb49277730af57
- https://git.alpinelinux.org/aports/commit/?id=1f88f47a7730e0cff88e91f728d9ce6f9632bace
- https://git.alpinelinux.org/aports/commit/?id=c6ea56540262710775618c19e90adbe0e1177be3