diff options
Diffstat (limited to 'results/classifier/108/graphic/786211')
| -rw-r--r-- | results/classifier/108/graphic/786211 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/results/classifier/108/graphic/786211 b/results/classifier/108/graphic/786211 new file mode 100644 index 000000000..b8d4b450f --- /dev/null +++ b/results/classifier/108/graphic/786211 @@ -0,0 +1,23 @@ +graphic: 0.951 +semantic: 0.932 +device: 0.778 +socket: 0.728 +network: 0.666 +vnc: 0.616 +boot: 0.475 +debug: 0.357 +other: 0.355 +PID: 0.336 +files: 0.241 +performance: 0.199 +KVM: 0.160 +permissions: 0.158 + +Missing checks for valid, writable, firmware in fw_cfg_write + +The `fw_cfg_write` function in the firmware emulation is missing checks to ensure that the firmware being written is (a) a valid index, and (b) writable. This can lead to a segmentation fault and potentially (in the case of writing to FW_CFG_INVALID), memory corruption, although the attacker has fairly limited control over whether and what corruption is possible. + + + +fw_cfg_write() support has been removed since QEMU 2.4, so I think we can treat this as fixed now: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=023e3148567ac898c725813 + |